5709531 has 16 divisors (see below), whose sum is σ = 7840800. Its totient is φ = 3694080.

The previous prime is 5709527. The next prime is 5709533. The reversal of 5709531 is 1359075.

It is a happy number.

It is not a de Polignac number, because 5709531 - 2² = 5709527 is a prime.

It is a super-2 number, since 2×5709531² = 65197488479922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5709533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23571 + ... + 23811.

It is an arithmetic number, because the mean of its divisors is an integer number (490050).

Almost surely, 2^5709531 is an apocalyptic number.

5709531 is a deficient number, since it is larger than the sum of its proper divisors (2131269).

5709531 is a wasteful number, since it uses less digits than its factorization.

5709531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 5709531 is about 2389.4624918588. The cubic root of 5709531 is about 178.7311069408.

It can be divided in two parts, 570 and 9531, that added together give a palindrome (10101).

The spelling of 5709531 in words is "five million, seven hundred nine thousand, five hundred thirty-one".