25648364 has 18 divisors (see below), whose sum is σ = 52213140. Its totient is φ = 10992072.

The previous prime is 25648351. The next prime is 25648369. The reversal of 25648364 is 46384652.

It is not an unprimeable number, because it can be changed into a prime (25648369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65234 + ... + 65625.

It is an arithmetic number, because the mean of its divisors is an integer number (2900730).

Almost surely, 2^25648364 is an apocalyptic number.

It is an amenable number.

25648364 is an abundant number, since it is smaller than the sum of its proper divisors (26564776).

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

25648364 is a wasteful number, since it uses less digits than its factorization.

25648364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130877 (or 130868 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 25648364 is about 5064.4213884708. The cubic root of 25648364 is about 294.9080015719.

The spelling of 25648364 in words is "twenty-five million, six hundred forty-eight thousand, three hundred sixty-four".