25391364 has 24 divisors (see below), whose sum is σ = 59716608. Its totient is φ = 8396640.

The previous prime is 25391363. The next prime is 25391389. The reversal of 25391364 is 46319352.

It is not an unprimeable number, because it can be changed into a prime (25391363) 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, 6807 + ... + 9854.

It is an arithmetic number, because the mean of its divisors is an integer number (2488192).

Almost surely, 2^25391364 is an apocalyptic number.

It is an amenable number.

25391364 is an abundant number, since it is smaller than the sum of its proper divisors (34325244).

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

25391364 is a wasteful number, since it uses less digits than its factorization.

25391364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16795 (or 16793 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 25391364 is about 5038.9844214881. The cubic root of 25391364 is about 293.9196874432.

The spelling of 25391364 in words is "twenty-five million, three hundred ninety-one thousand, three hundred sixty-four".