25900732 has 24 divisors (see below), whose sum is σ = 53251632. Its totient is φ = 10867200.

The previous prime is 25900727. The next prime is 25900739. The reversal of 25900732 is 23700952.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25900732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25900739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22069 + ... + 23212.

It is an arithmetic number, because the mean of its divisors is an integer number (2218818).

Almost surely, 2^25900732 is an apocalyptic number.

25900732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25900732 is an abundant number, since it is smaller than the sum of its proper divisors (27350900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25900732 is a wasteful number, since it uses less digits than its factorization.

25900732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45309 (or 45307 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 25900732 is about 5089.2761764322. The cubic root of 25900732 is about 295.8720989910.

The spelling of 25900732 in words is "twenty-five million, nine hundred thousand, seven hundred thirty-two".