25210012 has 12 divisors (see below), whose sum is σ = 44167536. Its totient is φ = 12590720.

The previous prime is 25210007. The next prime is 25210021. The reversal of 25210012 is 21001252.

It is a junction number, because it is equal to n+sod(n) for n = 25209974 and 25210001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068 + ... + 7180.

It is an arithmetic number, because the mean of its divisors is an integer number (3680628).

Almost surely, 2^25210012 is an apocalyptic number.

It is an amenable number.

25210012 is a deficient number, since it is larger than the sum of its proper divisors (18957524).

25210012 is a wasteful number, since it uses less digits than its factorization.

25210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148 (or 7146 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 25210012 is about 5020.9572792447. The cubic root of 25210012 is about 293.2182635206.

Adding to 25210012 its reverse (21001252), we get a palindrome (46211264).

The spelling of 25210012 in words is "twenty-five million, two hundred ten thousand, twelve".