25307012 has 12 divisors (see below), whose sum is σ = 46618320. Its totient is φ = 11987496.

The previous prime is 25307011. The next prime is 25307017. The reversal of 25307012 is 21070352.

It is not an unprimeable number, because it can be changed into a prime (25307011) 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, 166418 + ... + 166569.

It is an arithmetic number, because the mean of its divisors is an integer number (3884860).

Almost surely, 2^25307012 is an apocalyptic number.

It is an amenable number.

25307012 is a deficient number, since it is larger than the sum of its proper divisors (21311308).

25307012 is a wasteful number, since it uses less digits than its factorization.

25307012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333010 (or 333008 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 25307012 is about 5030.6075179843. The cubic root of 25307012 is about 293.5938520047.

Adding to 25307012 its reverse (21070352), we get a palindrome (46377364).

The spelling of 25307012 in words is "twenty-five million, three hundred seven thousand, twelve".