5306531 has 2 divisors, whose sum is σ = 5306532. Its totient is φ = 5306530.

The previous prime is 5306527. The next prime is 5306569. The reversal of 5306531 is 1356035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5306531 - 2² = 5306527 is a prime.

It is a super-2 number, since 2×5306531² = 56318542507922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 5306497 and 5306506.

It is not a weakly prime, because it can be changed into another prime (5306591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2653265 + 2653266.

It is an arithmetic number, because the mean of its divisors is an integer number (2653266).

Almost surely, 2^5306531 is an apocalyptic number.

5306531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5306531 is an equidigital number, since it uses as much as digits as its factorization.

5306531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 5306531 is about 2303.5908924981. The cubic root of 5306531 is about 174.4229263655.

The spelling of 5306531 in words is "five million, three hundred six thousand, five hundred thirty-one".