5318691 has 16 divisors (see below), whose sum is σ = 8146944. Its totient is φ = 3023424.

The previous prime is 5318683. The next prime is 5318711. The reversal of 5318691 is 1968135.

5318691 is a nontrivial binomial coefficient, being equal to C(3262, 2).

It is not a de Polignac number, because 5318691 - 2³ = 5318683 is a prime.

It is a d-powerful number, because it can be written as 5⁷ + 3¹¹ + 1 + 8³ + 6⁷ + 9⁷ + 1 .

It is not an unprimeable number, because it can be changed into a prime (5318591) 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, 4350 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (509184).

Almost surely, 2^5318691 is an apocalyptic number.

5318691 is the 3261-st triangular number and also the 1631-st hexagonal number.

5318691 is a deficient number, since it is larger than the sum of its proper divisors (2828253).

5318691 is a wasteful number, since it uses less digits than its factorization.

5318691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330.

The product of its digits is 6480, while the sum is 33.

The square root of 5318691 is about 2306.2287397394. The cubic root of 5318691 is about 174.5560556959.

The spelling of 5318691 in words is "five million, three hundred eighteen thousand, six hundred ninety-one".