25015012 has 12 divisors (see below), whose sum is σ = 47756016. Its totient is φ = 11370440.

The previous prime is 25014991. The next prime is 25015013. The reversal of 25015012 is 21051052.

It is not an unprimeable number, because it can be changed into a prime (25015013) 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, 284218 + ... + 284305.

It is an arithmetic number, because the mean of its divisors is an integer number (3979668).

Almost surely, 2^25015012 is an apocalyptic number.

25015012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25015012 is a deficient number, since it is larger than the sum of its proper divisors (22741004).

25015012 is a wasteful number, since it uses less digits than its factorization.

25015012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568538 (or 568536 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 25015012 is about 5001.5009747075. The cubic root of 25015012 is about 292.4602892494.

Adding to 25015012 its reverse (21051052), we get a palindrome (46066064).

The spelling of 25015012 in words is "twenty-five million, fifteen thousand, twelve".