25252012 has 12 divisors (see below), whose sum is σ = 44310280. Its totient is φ = 12591936.

The previous prime is 25251983. The next prime is 25252013. The reversal of 25252012 is 21025252.

It is a super-2 number, since 2×25252012² = 1275328220096288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25252013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6813 + ... + 9844.

Almost surely, 2^25252012 is an apocalyptic number.

It is an amenable number.

25252012 is a deficient number, since it is larger than the sum of its proper divisors (19058268).

25252012 is a wasteful number, since it uses less digits than its factorization.

25252012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17040 (or 17038 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 25252012 is about 5025.1380080551. The cubic root of 25252012 is about 293.3810075176.

Adding to 25252012 its reverse (21025252), we get a palindrome (46277264).

The spelling of 25252012 in words is "twenty-five million, two hundred fifty-two thousand, twelve".