25972032 has 28 divisors (see below), whose sum is σ = 68718176. Its totient is φ = 8657280.

The previous prime is 25972021. The next prime is 25972057. The reversal of 25972032 is 23027952.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67444 + ... + 67827.

Almost surely, 2^25972032 is an apocalyptic number.

It is an amenable number.

25972032 is an abundant number, since it is smaller than the sum of its proper divisors (42746144).

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

25972032 is a wasteful number, since it uses less digits than its factorization.

25972032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135286 (or 135276 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 25972032 is about 5096.2762876438. The cubic root of 25972032 is about 296.1433442553.

Adding to 25972032 its reverse (23027952), we get a palindrome (48999984).

The spelling of 25972032 in words is "twenty-five million, nine hundred seventy-two thousand, thirty-two".