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25325125 = 537103281
BaseRepresentation
bin110000010011…
…0111001000101
31202122122112121
41200212321011
522440401000
62302445541
7425155120
oct140467105
952578477
1025325125
1113328161
1285938b1
1353291a7
1435133b7
152353b1a
hex1826e45

25325125 has 32 divisors (see below), whose sum is σ = 36601344. Its totient is φ = 17136000.

The previous prime is 25325123. The next prime is 25325161. The reversal of 25325125 is 52152352.

It is a happy number.

It is not a de Polignac number, because 25325125 - 21 = 25325123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25325125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25325123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89985 + ... + 90265.

It is an arithmetic number, because the mean of its divisors is an integer number (1143792).

Almost surely, 225325125 is an apocalyptic number.

25325125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25325125 is a deficient number, since it is larger than the sum of its proper divisors (11276219).

25325125 is a wasteful number, since it uses less digits than its factorization.

25325125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 396 counting only the distinct ones).

The product of its digits is 3000, while the sum is 25.

The square root of 25325125 is about 5032.4074755528. The cubic root of 25325125 is about 293.6638799904.

Adding to 25325125 its reverse (52152352), we get a palindrome (77477477).

The spelling of 25325125 in words is "twenty-five million, three hundred twenty-five thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 103 125 175 281 515 721 875 1405 1967 2575 3605 7025 9835 12875 18025 28943 35125 49175 90125 144715 202601 245875 723575 1013005 3617875 5065025 25325125