25072232 has 8 divisors (see below), whose sum is σ = 47010450. Its totient is φ = 12536112.

The previous prime is 25072219. The next prime is 25072253. The reversal of 25072232 is 23227052.

It can be written as a sum of positive squares in only one way, i.e., 18028516 + 7043716 = 4246^2 + 2654^2 .

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 = 25072198 and 25072207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567007 + ... + 1567022.

Almost surely, 2^25072232 is an apocalyptic number.

It is an amenable number.

25072232 is a deficient number, since it is larger than the sum of its proper divisors (21938218).

25072232 is a wasteful number, since it uses less digits than its factorization.

25072232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134035 (or 3134031 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 25072232 is about 5007.2179900619. The cubic root of 25072232 is about 292.6831132379.

Adding to 25072232 its reverse (23227052), we get a palindrome (48299284).

The spelling of 25072232 in words is "twenty-five million, seventy-two thousand, two hundred thirty-two".