5491331 has 4 divisors (see below), whose sum is σ = 5506200. Its totient is φ = 5476464.

The previous prime is 5491313. The next prime is 5491349. The reversal of 5491331 is 1331945.

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

It is an interprime number because it is at equal distance from previous prime (5491313) and next prime (5491349).

It is a cyclic number.

It is not a de Polignac number, because 5491331 - 2¹⁴ = 5474947 is a prime.

It is a super-2 number, since 2×5491331² = 60309432303122, which contains 22 as substring.

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 5491331.

It is not an unprimeable number, because it can be changed into a prime (5491301) 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, 6866 + ... + 7623.

It is an arithmetic number, because the mean of its divisors is an integer number (1376550).

Almost surely, 2^5491331 is an apocalyptic number.

5491331 is a deficient number, since it is larger than the sum of its proper divisors (14869).

5491331 is a wasteful number, since it uses less digits than its factorization.

5491331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14868.

The product of its digits is 1620, while the sum is 26.

The square root of 5491331 is about 2343.3589140377. The cubic root of 5491331 is about 176.4246268170.

The spelling of 5491331 in words is "five million, four hundred ninety-one thousand, three hundred thirty-one".