5165531 has 12 divisors (see below), whose sum is σ = 6046560. Its totient is φ = 4399920.

The previous prime is 5165527. The next prime is 5165543. The reversal of 5165531 is 1355615.

It is not a de Polignac number, because 5165531 - 2² = 5165527 is a prime.

It is a super-2 number, since 2×5165531² = 53365421023922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5165531.

It is not an unprimeable number, because it can be changed into a prime (5165551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13085 + ... + 13473.

It is an arithmetic number, because the mean of its divisors is an integer number (503880).

Almost surely, 2^5165531 is an apocalyptic number.

5165531 is a deficient number, since it is larger than the sum of its proper divisors (881029).

5165531 is a wasteful number, since it uses less digits than its factorization.

5165531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 667 counting only the distinct ones).

The product of its digits is 2250, while the sum is 26.

The square root of 5165531 is about 2272.7804557414. The cubic root of 5165531 is about 172.8641721783.

The spelling of 5165531 in words is "five million, one hundred sixty-five thousand, five hundred thirty-one".