5131309 has 8 divisors (see below), whose sum is σ = 5235552. Its totient is φ = 5028240.

The previous prime is 5131307. The next prime is 5131333. The reversal of 5131309 is 9031315.

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 5131309 - 2¹ = 5131307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5131309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131307) 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 7 ways as a sum of consecutive naturals, for example, 17367 + ... + 17659.

It is an arithmetic number, because the mean of its divisors is an integer number (654444).

Almost surely, 2^5131309 is an apocalyptic number.

It is an amenable number.

5131309 is a deficient number, since it is larger than the sum of its proper divisors (104243).

5131309 is a wasteful number, since it uses less digits than its factorization.

5131309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 5131309 is about 2265.2392809591. The cubic root of 5131309 is about 172.4815803338.

The spelling of 5131309 in words is "five million, one hundred thirty-one thousand, three hundred nine".