25292012 has 6 divisors (see below), whose sum is σ = 44261028. Its totient is φ = 12646004.

The previous prime is 25291951. The next prime is 25292017. The reversal of 25292012 is 21029252.

It is not an unprimeable number, because it can be changed into a prime (25292017) 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 as a sum of consecutive naturals, namely, 3161498 + ... + 3161505.

It is an arithmetic number, because the mean of its divisors is an integer number (7376838).

Almost surely, 2^25292012 is an apocalyptic number.

It is an amenable number.

25292012 is a deficient number, since it is larger than the sum of its proper divisors (18969016).

25292012 is a wasteful number, since it uses less digits than its factorization.

25292012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323007 (or 6323005 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 25292012 is about 5029.1164233889. The cubic root of 25292012 is about 293.5358341167.

The spelling of 25292012 in words is "twenty-five million, two hundred ninety-two thousand, twelve".