25412812 has 12 divisors (see below), whose sum is σ = 44913456. Its totient is φ = 12580400.

The previous prime is 25412791. The next prime is 25412819. The reversal of 25412812 is 21821452.

It is a super-2 number, since 2×25412812² = 1291622027494688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25412819) 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 3 ways as a sum of consecutive naturals, for example, 31048 + ... + 31855.

It is an arithmetic number, because the mean of its divisors is an integer number (3742788).

Almost surely, 2^25412812 is an apocalyptic number.

It is an amenable number.

25412812 is a deficient number, since it is larger than the sum of its proper divisors (19500644).

25412812 is a wasteful number, since it uses less digits than its factorization.

25412812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63008 (or 63006 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 25412812 is about 5041.1121788748. The cubic root of 25412812 is about 294.0024218105.

The spelling of 25412812 in words is "twenty-five million, four hundred twelve thousand, eight hundred twelve".