5909531 has 4 divisors (see below), whose sum is σ = 5970552. Its totient is φ = 5848512.

The previous prime is 5909509. The next prime is 5909549. The reversal of 5909531 is 1359095.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5909531 is a prime.

It is a super-2 number, since 2×5909531² = 69845113279922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5909581) 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 in 3 ways as a sum of consecutive naturals, for example, 30365 + ... + 30558.

It is an arithmetic number, because the mean of its divisors is an integer number (1492638).

Almost surely, 2^5909531 is an apocalyptic number.

5909531 is a deficient number, since it is larger than the sum of its proper divisors (61021).

5909531 is an equidigital number, since it uses as much as digits as its factorization.

5909531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61020.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 5909531 is about 2430.9526939042. The cubic root of 5909531 is about 180.7941352648.

The spelling of 5909531 in words is "five million, nine hundred nine thousand, five hundred thirty-one".