5165647031 has 4 divisors (see below), whose sum is σ = 5291638464. Its totient is φ = 5039655600.

The previous prime is 5165647009. The next prime is 5165647037. The reversal of 5165647031 is 1307465615.

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 5165647031 - 2¹⁴ = 5165630647 is a prime.

It is a super-2 number, since 2×5165647031² = 53367818497758229922, 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 (5165647037) 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, 62995655 + ... + 62995736.

It is an arithmetic number, because the mean of its divisors is an integer number (1322909616).

Almost surely, 2^5165647031 is an apocalyptic number.

5165647031 is a deficient number, since it is larger than the sum of its proper divisors (125991433).

5165647031 is a wasteful number, since it uses less digits than its factorization.

5165647031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125991432.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 5165647031 is about 71872.4358220869. The cubic root of 5165647031 is about 1728.6546649199.

The spelling of 5165647031 in words is "five billion, one hundred sixty-five million, six hundred forty-seven thousand, thirty-one".