5207102557 has 4 divisors (see below), whose sum is σ = 5292464956. Its totient is φ = 5121740160.

The previous prime is 5207102507. The next prime is 5207102561. The reversal of 5207102557 is 7552017025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 461132676 + 4745969881 = 21474^2 + 68891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5207102557 is a prime.

It is a super-2 number, since 2×5207102557² = 54227834078231876498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5207102507) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42681108 + ... + 42681229.

It is an arithmetic number, because the mean of its divisors is an integer number (1323116239).

Almost surely, 2^5207102557 is an apocalyptic number.

It is an amenable number.

5207102557 is a deficient number, since it is larger than the sum of its proper divisors (85362399).

5207102557 is an equidigital number, since it uses as much as digits as its factorization.

5207102557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85362398.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 5207102557 is about 72160.2560763195. The cubic root of 5207102557 is about 1733.2666354965.

The spelling of 5207102557 in words is "five billion, two hundred seven million, one hundred two thousand, five hundred fifty-seven".