5021294257 has 6 divisors (see below), whose sum is σ = 5841097458. Its totient is φ = 4303966464.

The previous prime is 5021294219. The next prime is 5021294261. The reversal of 5021294257 is 7524921205.

It can be written as a sum of positive squares in only one way, i.e., 4322273536 + 699020721 = 65744^2 + 26439^2 .

It is not a de Polignac number, because 5021294257 - 2⁷ = 5021294129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5021294357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51237648 + ... + 51237745.

It is an arithmetic number, because the mean of its divisors is an integer number (973516243).

Almost surely, 2^5021294257 is an apocalyptic number.

It is an amenable number.

5021294257 is a deficient number, since it is larger than the sum of its proper divisors (819803201).

5021294257 is a wasteful number, since it uses less digits than its factorization.

5021294257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102475407 (or 102475400 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 5021294257 is about 70861.0912772306. The cubic root of 5021294257 is about 1712.4000198223.

The spelling of 5021294257 in words is "five billion, twenty-one million, two hundred ninety-four thousand, two hundred fifty-seven".