5105531 has 2 divisors, whose sum is σ = 5105532. Its totient is φ = 5105530.

The previous prime is 5105497. The next prime is 5105561. The reversal of 5105531 is 1355015.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5105531 - 2²² = 911227 is a prime.

It is a super-2 number, since 2×5105531² = 52132893583922, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5105561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552765 + 2552766.

It is an arithmetic number, because the mean of its divisors is an integer number (2552766).

Almost surely, 2^5105531 is an apocalyptic number.

5105531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105531 is an equidigital number, since it uses as much as digits as its factorization.

5105531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 5105531 is about 2259.5422102718. The cubic root of 5105531 is about 172.1922651714.

The spelling of 5105531 in words is "five million, one hundred five thousand, five hundred thirty-one".