25725032 has 8 divisors (see below), whose sum is σ = 48234450. Its totient is φ = 12862512.

The previous prime is 25725019. The next prime is 25725043. The reversal of 25725032 is 23052752.

It can be written as a sum of positive squares in only one way, i.e., 24940036 + 784996 = 4994^2 + 886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 25724992 and 25725010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607807 + ... + 1607822.

Almost surely, 2^25725032 is an apocalyptic number.

It is an amenable number.

25725032 is a deficient number, since it is larger than the sum of its proper divisors (22509418).

25725032 is a wasteful number, since it uses less digits than its factorization.

25725032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215635 (or 3215631 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 25725032 is about 5071.9850157507. The cubic root of 25725032 is about 295.2015552585.

Adding to 25725032 its reverse (23052752), we get a palindrome (48777784).

The spelling of 25725032 in words is "twenty-five million, seven hundred twenty-five thousand, thirty-two".