5251958812 has 12 divisors (see below), whose sum is σ = 9507856680. Its totient is φ = 2535428336.

The previous prime is 5251958779. The next prime is 5251958827. The reversal of 5251958812 is 2188591525.

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, 22637638 + ... + 22637869.

It is an arithmetic number, because the mean of its divisors is an integer number (792321390).

Almost surely, 2^5251958812 is an apocalyptic number.

It is an amenable number.

5251958812 is a deficient number, since it is larger than the sum of its proper divisors (4255897868).

5251958812 is a wasteful number, since it uses less digits than its factorization.

5251958812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45275540 (or 45275538 counting only the distinct ones).

The product of its digits is 288000, while the sum is 46.

The square root of 5251958812 is about 72470.3995573365. The cubic root of 5251958812 is about 1738.2294505723.

The spelling of 5251958812 in words is "five billion, two hundred fifty-one million, nine hundred fifty-eight thousand, eight hundred twelve".