5252891720 has 32 divisors (see below), whose sum is σ = 12200267520. Its totient is φ = 2033376960.

The previous prime is 5252891641. The next prime is 5252891737. The reversal of 5252891720 is 271982525.

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, 2116862 + ... + 2119341.

It is an arithmetic number, because the mean of its divisors is an integer number (381258360).

Almost surely, 2^5252891720 is an apocalyptic number.

It is an amenable number.

5252891720 is an abundant number, since it is smaller than the sum of its proper divisors (6947375800).

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

5252891720 is a wasteful number, since it uses less digits than its factorization.

5252891720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236245 (or 4236241 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 5252891720 is about 72476.8357477063. The cubic root of 5252891720 is about 1738.3323653267.

The spelling of 5252891720 in words is "five billion, two hundred fifty-two million, eight hundred ninety-one thousand, seven hundred twenty".