25013264 has 10 divisors (see below), whose sum is σ = 48463230. Its totient is φ = 12506624.

The previous prime is 25013257. The next prime is 25013267. The reversal of 25013264 is 46231052.

It can be written as a sum of positive squares in only one way, i.e., 23931664 + 1081600 = 4892^2 + 1040^2 .

It is not an unprimeable number, because it can be changed into a prime (25013267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781649 + ... + 781680.

It is an arithmetic number, because the mean of its divisors is an integer number (4846323).

Almost surely, 2^25013264 is an apocalyptic number.

It is an amenable number.

25013264 is a deficient number, since it is larger than the sum of its proper divisors (23449966).

25013264 is a wasteful number, since it uses less digits than its factorization.

25013264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563337 (or 1563331 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 25013264 is about 5001.3262241130. The cubic root of 25013264 is about 292.4534769069.

The spelling of 25013264 in words is "twenty-five million, thirteen thousand, two hundred sixty-four".