5257020722 has 18 divisors (see below), whose sum is σ = 7958957247. Its totient is φ = 2604260124.

The previous prime is 5257020709. The next prime is 5257020731. The reversal of 5257020722 is 2270207525.

It can be written as a sum of positive squares in only one way, i.e., 2628510361 + 2628510361 = 51269^2 + 51269^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=51269.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17123693 + ... + 17123999.

Almost surely, 2^5257020722 is an apocalyptic number.

5257020722 is a deficient number, since it is larger than the sum of its proper divisors (2701936525).

5257020722 is an frugal number, since it uses more digits than its factorization.

5257020722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 5257020722 is about 72505.3151293062. The cubic root of 5257020722 is about 1738.7877143920.

Multiplying 5257020722 by its sum of digits (32), we get a square (168224663104 = 410152²).

The spelling of 5257020722 in words is "five billion, two hundred fifty-seven million, twenty thousand, seven hundred twenty-two".