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25238925 = 3352139269
BaseRepresentation
bin110000001000…
…1110110001101
31202111021022000
41200101312031
522430121200
62300542513
7424345605
oct140216615
952437260
1025238925
1113279418
128551a39
1352c8b9a
1434cdc05
152338300
hex1811d8d

25238925 has 48 divisors (see below), whose sum is σ = 46872000. Its totient is φ = 13314240.

The previous prime is 25238923. The next prime is 25238951. The reversal of 25238925 is 52983252.

25238925 is a `hidden beast` number, since 252 + 389 + 25 = 666.

It is not a de Polignac number, because 25238925 - 21 = 25238923 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 25238925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25238923) 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 47 ways as a sum of consecutive naturals, for example, 93691 + ... + 93959.

It is an arithmetic number, because the mean of its divisors is an integer number (976500).

Almost surely, 225238925 is an apocalyptic number.

25238925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25238925 is a deficient number, since it is larger than the sum of its proper divisors (21633075).

25238925 is a wasteful number, since it uses less digits than its factorization.

25238925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 416 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 25238925 is about 5023.8356860073. The cubic root of 25238925 is about 293.3303166299.

The spelling of 25238925 in words is "twenty-five million, two hundred thirty-eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 139 225 269 417 675 695 807 1251 1345 2085 2421 3475 3753 4035 6255 6725 7263 10425 12105 18765 20175 31275 36315 37391 60525 93825 112173 181575 186955 336519 560865 934775 1009557 1682595 2804325 5047785 8412975 25238925