25211272 has 32 divisors (see below), whose sum is σ = 50359320. Its totient is φ = 11791360.

The previous prime is 25211267. The next prime is 25211273. The reversal of 25211272 is 27211252.

It can be written as a sum of positive squares in 4 ways, for example, as 24740676 + 470596 = 4974^2 + 686^2 .

It is not an unprimeable number, because it can be changed into a prime (25211273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26322 + ... + 27262.

Almost surely, 2^25211272 is an apocalyptic number.

It is an amenable number.

25211272 is a deficient number, since it is larger than the sum of its proper divisors (25148048).

25211272 is a wasteful number, since it uses less digits than its factorization.

25211272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1157 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 25211272 is about 5021.0827517578. The cubic root of 25211272 is about 293.2231484695.

The spelling of 25211272 in words is "twenty-five million, two hundred eleven thousand, two hundred seventy-two".