25246564 has 36 divisors (see below), whose sum is σ = 54425196. Its totient is φ = 10182144.

The previous prime is 25246561. The next prime is 25246577. The reversal of 25246564 is 46564252.

It can be written as a sum of positive squares in 2 ways, for example, as 7606564 + 17640000 = 2758^2 + 4200^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (25246561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457 + ... + 7120.

It is an arithmetic number, because the mean of its divisors is an integer number (1511811).

Almost surely, 2^25246564 is an apocalyptic number.

It is an amenable number.

25246564 is an abundant number, since it is smaller than the sum of its proper divisors (29178632).

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

25246564 is a wasteful number, since it uses less digits than its factorization.

25246564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7612 (or 7603 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 25246564 is about 5024.5959041499. The cubic root of 25246564 is about 293.3599074869.

The spelling of 25246564 in words is "twenty-five million, two hundred forty-six thousand, five hundred sixty-four".