5257306031 has 4 divisors (see below), whose sum is σ = 5274210864. Its totient is φ = 5240401200.

The previous prime is 5257306013. The next prime is 5257306039. The reversal of 5257306031 is 1306037525.

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

It is a cyclic number.

It is not a de Polignac number, because 5257306031 - 2¹⁴ = 5257289647 is a prime.

It is a super-2 number, since 2×5257306031² = 55278533407177945922, 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 (5257306039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8451950 + ... + 8452571.

It is an arithmetic number, because the mean of its divisors is an integer number (1318552716).

Almost surely, 2^5257306031 is an apocalyptic number.

5257306031 is a deficient number, since it is larger than the sum of its proper divisors (16904833).

5257306031 is a wasteful number, since it uses less digits than its factorization.

5257306031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16904832.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 5257306031 is about 72507.2826066458. The cubic root of 5257306031 is about 1738.8191696487.

The spelling of 5257306031 in words is "five billion, two hundred fifty-seven million, three hundred six thousand, thirty-one".