5251015012 has 24 divisors (see below), whose sum is σ = 9747360504. Its totient is φ = 2466611712.

The previous prime is 5251014959. The next prime is 5251015019. The reversal of 5251015012 is 2105101525.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 358572096 + 4892442916 = 18936^2 + 69946^2 .

It is not an unprimeable number, because it can be changed into a prime (5251015019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31443 + ... + 107194.

It is an arithmetic number, because the mean of its divisors is an integer number (406140021).

Almost surely, 2^5251015012 is an apocalyptic number.

It is an amenable number.

5251015012 is a deficient number, since it is larger than the sum of its proper divisors (4496345492).

5251015012 is a wasteful number, since it uses less digits than its factorization.

5251015012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139215 (or 139213 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 5251015012 is about 72463.8876406724. The cubic root of 5251015012 is about 1738.1253218529.

Adding to 5251015012 its reverse (2105101525), we get a palindrome (7356116537).

The spelling of 5251015012 in words is "five billion, two hundred fifty-one million, fifteen thousand, twelve".