5312991 has 4 divisors (see below), whose sum is σ = 7083992. Its totient is φ = 3541992.

The previous prime is 5312971. The next prime is 5312999. The reversal of 5312991 is 1992135.

5312991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5312991 - 2⁹ = 5312479 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885496 + ... + 885501.

It is an arithmetic number, because the mean of its divisors is an integer number (1770998).

Almost surely, 2^5312991 is an apocalyptic number.

5312991 is a deficient number, since it is larger than the sum of its proper divisors (1771001).

5312991 is a wasteful number, since it uses less digits than its factorization.

5312991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771000.

The product of its digits is 2430, while the sum is 30.

The square root of 5312991 is about 2304.9926247171. The cubic root of 5312991 is about 174.4936766153.

The spelling of 5312991 in words is "five million, three hundred twelve thousand, nine hundred ninety-one".