25475872 has 12 divisors (see below), whose sum is σ = 50155686. Its totient is φ = 12737920.

The previous prime is 25475839. The next prime is 25475899. The reversal of 25475872 is 27857452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24561936 + 913936 = 4956^2 + 956^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398029 + ... + 398092.

Almost surely, 2^25475872 is an apocalyptic number.

It is an amenable number.

25475872 is a deficient number, since it is larger than the sum of its proper divisors (24679814).

25475872 is an equidigital number, since it uses as much as digits as its factorization.

25475872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796131 (or 796123 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The square root of 25475872 is about 5047.3628757996. The cubic root of 25475872 is about 294.2454026448.

The spelling of 25475872 in words is "twenty-five million, four hundred seventy-five thousand, eight hundred seventy-two".