5131817 has 4 divisors (see below), whose sum is σ = 5145600. Its totient is φ = 5118036.

The previous prime is 5131813. The next prime is 5131823. The reversal of 5131817 is 7181315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7181315 = 5 ⋅1436263.

It is a cyclic number.

It is not a de Polignac number, because 5131817 - 2² = 5131813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5131813) 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, 6317 + ... + 7082.

It is an arithmetic number, because the mean of its divisors is an integer number (1286400).

Almost surely, 2^5131817 is an apocalyptic number.

It is an amenable number.

5131817 is a deficient number, since it is larger than the sum of its proper divisors (13783).

5131817 is a wasteful number, since it uses less digits than its factorization.

5131817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782.

The product of its digits is 840, while the sum is 26.

The square root of 5131817 is about 2265.3514076187. The cubic root of 5131817 is about 172.4872720428.

The spelling of 5131817 in words is "five million, one hundred thirty-one thousand, eight hundred seventeen".