25264971 has 12 divisors (see below), whose sum is σ = 38080848. Its totient is φ = 16110864.

The previous prime is 25264961. The next prime is 25264997. The reversal of 25264971 is 17946252.

25264971 is a `hidden beast` number, since 2 + 5 + 2 + 649 + 7 + 1 = 666.

It is not a de Polignac number, because 25264971 - 2¹⁵ = 25232203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25264961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60820 + ... + 61233.

It is an arithmetic number, because the mean of its divisors is an integer number (3173404).

Almost surely, 2^25264971 is an apocalyptic number.

25264971 is a deficient number, since it is larger than the sum of its proper divisors (12815877).

25264971 is a wasteful number, since it uses less digits than its factorization.

25264971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122082 (or 122079 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 25264971 is about 5026.4272599929. The cubic root of 25264971 is about 293.4311853582.

The spelling of 25264971 in words is "twenty-five million, two hundred sixty-four thousand, nine hundred seventy-one".