25969512 has 32 divisors (see below), whose sum is σ = 65750400. Its totient is φ = 8546304.

The previous prime is 25969487. The next prime is 25969543. The reversal of 25969512 is 21596952.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4953 + ... + 8744.

It is an arithmetic number, because the mean of its divisors is an integer number (2054700).

Almost surely, 2^25969512 is an apocalyptic number.

It is an amenable number.

25969512 is an abundant number, since it is smaller than the sum of its proper divisors (39780888).

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

25969512 is a wasteful number, since it uses less digits than its factorization.

25969512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13785 (or 13781 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 25969512 is about 5096.0290423034. The cubic root of 25969512 is about 296.1337659344.

The spelling of 25969512 in words is "twenty-five million, nine hundred sixty-nine thousand, five hundred twelve".