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25235925 = 35211132181
BaseRepresentation
bin110000001000…
…1000111010101
31202111010011220
41200101013111
522430022200
62300520553
7424334061
oct140210725
952433156
1025235925
1113277140
128550159
1352c7700
1434ccaa1
1523374a0
hex18111d5

25235925 has 72 divisors (see below), whose sum is σ = 49559328. Its totient is φ = 11232000.

The previous prime is 25235923. The next prime is 25235929. The reversal of 25235925 is 52953252.

It is not a de Polignac number, because 25235925 - 21 = 25235923 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25235923) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 139335 + ... + 139515.

It is an arithmetic number, because the mean of its divisors is an integer number (688324).

Almost surely, 225235925 is an apocalyptic number.

25235925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25235925 is a deficient number, since it is larger than the sum of its proper divisors (24323403).

25235925 is a wasteful number, since it uses less digits than its factorization.

25235925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 213 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 25235925 is about 5023.5371004901. The cubic root of 25235925 is about 293.3186940295.

It can be divided in two parts, 2523 and 5925, that added together give a palindrome (8448).

The spelling of 25235925 in words is "twenty-five million, two hundred thirty-five thousand, nine hundred twenty-five".

Divisors: 1 3 5 11 13 15 25 33 39 55 65 75 143 165 169 181 195 275 325 429 507 543 715 825 845 905 975 1859 1991 2145 2353 2535 2715 3575 4225 4525 5577 5973 7059 9295 9955 10725 11765 12675 13575 25883 27885 29865 30589 35295 46475 49775 58825 77649 91767 129415 139425 149325 152945 176475 336479 388245 458835 647075 764725 1009437 1682395 1941225 2294175 5047185 8411975 25235925