25051012 has 24 divisors (see below), whose sum is σ = 51831360. Its totient is φ = 10365600.

The previous prime is 25051003. The next prime is 25051043. The reversal of 25051012 is 21015052.

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, 14614 + ... + 16237.

It is an arithmetic number, because the mean of its divisors is an integer number (2159640).

Almost surely, 2^25051012 is an apocalyptic number.

It is an amenable number.

25051012 is an abundant number, since it is smaller than the sum of its proper divisors (26780348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25051012 is a wasteful number, since it uses less digits than its factorization.

25051012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30891 (or 30889 counting only the distinct ones).

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

The square root of 25051012 is about 5005.0986004274. The cubic root of 25051012 is about 292.6005186947.

Adding to 25051012 its reverse (21015052), we get a palindrome (46066064).

The spelling of 25051012 in words is "twenty-five million, fifty-one thousand, twelve".