25463871 has 12 divisors (see below), whose sum is σ = 36942048. Its totient is φ = 16901664.

The previous prime is 25463863. The next prime is 25463899. The reversal of 25463871 is 17836452.

It is not a de Polignac number, because 25463871 - 2³ = 25463863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25463831) 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, 3975 + ... + 8168.

It is an arithmetic number, because the mean of its divisors is an integer number (3078504).

Almost surely, 2^25463871 is an apocalyptic number.

25463871 is a deficient number, since it is larger than the sum of its proper divisors (11478177).

25463871 is a wasteful number, since it uses less digits than its factorization.

25463871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12382 (or 12379 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 25463871 is about 5046.1738971225. The cubic root of 25463871 is about 294.1991916821.

The spelling of 25463871 in words is "twenty-five million, four hundred sixty-three thousand, eight hundred seventy-one".