25652478 has 16 divisors (see below), whose sum is σ = 51924096. Its totient is φ = 8447640.

The previous prime is 25652453. The next prime is 25652479. The reversal of 25652478 is 87425652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25652479) 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, 25258 + ... + 26253.

It is an arithmetic number, because the mean of its divisors is an integer number (3245256).

Almost surely, 2^25652478 is an apocalyptic number.

25652478 is an abundant number, since it is smaller than the sum of its proper divisors (26271618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25652478 is a wasteful number, since it uses less digits than its factorization.

25652478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51599.

The product of its digits is 134400, while the sum is 39.

The square root of 25652478 is about 5064.8275390185. The cubic root of 25652478 is about 294.9237684860.

The spelling of 25652478 in words is "twenty-five million, six hundred fifty-two thousand, four hundred seventy-eight".