5309531 has 8 divisors (see below), whose sum is σ = 5640720. Its totient is φ = 4983552.

The previous prime is 5309503. The next prime is 5309533. The reversal of 5309531 is 1359035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5309531 - 2²² = 1115227 is a prime.

It is a super-2 number, since 2×5309531² = 56382238879922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5309531.

It is not an unprimeable number, because it can be changed into a prime (5309533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (705090).

Almost surely, 2^5309531 is an apocalyptic number.

5309531 is a deficient number, since it is larger than the sum of its proper divisors (331189).

5309531 is a wasteful number, since it uses less digits than its factorization.

5309531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 5309531 is about 2304.2419577813. The cubic root of 5309531 is about 174.4557896556.

The spelling of 5309531 in words is "five million, three hundred nine thousand, five hundred thirty-one".