25115012 has 24 divisors (see below), whose sum is σ = 47717376. Its totient is φ = 11497248.

The previous prime is 25115009. The next prime is 25115023. The reversal of 25115012 is 21051152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4703 + ... + 8505.

It is an arithmetic number, because the mean of its divisors is an integer number (1988224).

Almost surely, 2^25115012 is an apocalyptic number.

It is an amenable number.

25115012 is a deficient number, since it is larger than the sum of its proper divisors (22602364).

25115012 is a wasteful number, since it uses less digits than its factorization.

25115012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947 (or 3945 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 25115012 is about 5011.4880025797. The cubic root of 25115012 is about 292.8494841316.

Adding to 25115012 its reverse (21051152), we get a palindrome (46166164).

The spelling of 25115012 in words is "twenty-five million, one hundred fifteen thousand, twelve".