25508952 has 64 divisors (see below), whose sum is σ = 80985600. Its totient is φ = 7287840.

The previous prime is 25508897. The next prime is 25508957. The reversal of 25508952 is 25980552.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25508957) 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 15 ways as a sum of consecutive naturals, for example, 6924 + ... + 9947.

It is an arithmetic number, because the mean of its divisors is an integer number (1265400).

Almost surely, 2^25508952 is an apocalyptic number.

It is an amenable number.

25508952 is an abundant number, since it is smaller than the sum of its proper divisors (55476648).

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

25508952 is a wasteful number, since it uses less digits than its factorization.

25508952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16893 (or 16883 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 25508952 is about 5050.6387714823. The cubic root of 25508952 is about 294.3727051628.

The spelling of 25508952 in words is "twenty-five million, five hundred eight thousand, nine hundred fifty-two".