5175921257 has 6 divisors (see below), whose sum is σ = 5604695982. Its totient is φ = 4777773312.

The previous prime is 5175921253. The next prime is 5175921281. The reversal of 5175921257 is 7521295715.

It can be written as a sum of positive squares in 3 ways, for example, as 2859481 + 5173061776 = 1691^2 + 71924^2 .

It is not a de Polignac number, because 5175921257 - 2² = 5175921253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5175921253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15313208 + ... + 15313545.

It is an arithmetic number, because the mean of its divisors is an integer number (934115997).

Almost surely, 2^5175921257 is an apocalyptic number.

It is an amenable number.

5175921257 is a deficient number, since it is larger than the sum of its proper divisors (428774725).

5175921257 is a wasteful number, since it uses less digits than its factorization.

5175921257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30626779 (or 30626766 counting only the distinct ones).

The product of its digits is 220500, while the sum is 44.

The square root of 5175921257 is about 71943.8757435266. The cubic root of 5175921257 is about 1729.7999765400.

The spelling of 5175921257 in words is "five billion, one hundred seventy-five million, nine hundred twenty-one thousand, two hundred fifty-seven".