25772512 has 72 divisors (see below), whose sum is σ = 56455056. Its totient is φ = 11556864.

The previous prime is 25772423. The next prime is 25772533. The reversal of 25772512 is 21527752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265648 + ... + 265744.

It is an arithmetic number, because the mean of its divisors is an integer number (784098).

Almost surely, 2^25772512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25772512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28227528).

25772512 is an abundant number, since it is smaller than the sum of its proper divisors (30682544).

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

25772512 is a wasteful number, since it uses less digits than its factorization.

25772512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 141 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 25772512 is about 5076.6634712181. The cubic root of 25772512 is about 295.3830588304.

The spelling of 25772512 in words is "twenty-five million, seven hundred seventy-two thousand, five hundred twelve".