25709152 has 24 divisors (see below), whose sum is σ = 57846096. Its totient is φ = 11018112.

The previous prime is 25709129. The next prime is 25709153. The reversal of 25709152 is 25190752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25709153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57163 + ... + 57610.

It is an arithmetic number, because the mean of its divisors is an integer number (2410254).

Almost surely, 2^25709152 is an apocalyptic number.

It is an amenable number.

25709152 is an abundant number, since it is smaller than the sum of its proper divisors (32136944).

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

25709152 is a wasteful number, since it uses less digits than its factorization.

25709152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114790 (or 114782 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 25709152 is about 5070.4193120491. The cubic root of 25709152 is about 295.1408003536.

Subtracting from 25709152 its reverse (25190752), we obtain a square (518400 = 720²).

The spelling of 25709152 in words is "twenty-five million, seven hundred nine thousand, one hundred fifty-two".