25149964 has 12 divisors (see below), whose sum is σ = 50299984. Its totient is φ = 10778544.

The previous prime is 25149961. The next prime is 25149967. The reversal of 25149964 is 46994152.

It is an interprime number because it is at equal distance from previous prime (25149961) and next prime (25149967).

25149964 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25149961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449079 + ... + 449134.

Almost surely, 2^25149964 is an apocalyptic number.

It is an amenable number.

25149964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25149964 is a wasteful number, since it uses less digits than its factorization.

25149964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898224 (or 898222 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 25149964 is about 5014.9739779983. The cubic root of 25149964 is about 292.9852718507.

The spelling of 25149964 in words is "twenty-five million, one hundred forty-nine thousand, nine hundred sixty-four".