25248664 has 32 divisors (see below), whose sum is σ = 56459520. Its totient is φ = 10349856.

The previous prime is 25248659. The next prime is 25248667. The reversal of 25248664 is 46684252.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25248667) 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, 8514 + ... + 11089.

It is an arithmetic number, because the mean of its divisors is an integer number (1764360).

Almost surely, 2^25248664 is an apocalyptic number.

It is an amenable number.

25248664 is an abundant number, since it is smaller than the sum of its proper divisors (31210856).

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

25248664 is a wasteful number, since it uses less digits than its factorization.

25248664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19639 (or 19635 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 25248664 is about 5024.8048718333. The cubic root of 25248664 is about 293.3680411181.

The spelling of 25248664 in words is "twenty-five million, two hundred forty-eight thousand, six hundred sixty-four".