5531291 has 2 divisors, whose sum is σ = 5531292. Its totient is φ = 5531290.

The previous prime is 5531263. The next prime is 5531311. The reversal of 5531291 is 1921355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5531291 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5531291.

It is not a weakly prime, because it can be changed into another prime (5531221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765645 + 2765646.

It is an arithmetic number, because the mean of its divisors is an integer number (2765646).

Almost surely, 2^5531291 is an apocalyptic number.

5531291 is a deficient number, since it is larger than the sum of its proper divisors (1).

5531291 is an equidigital number, since it uses as much as digits as its factorization.

5531291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 26.

The square root of 5531291 is about 2351.8696817639. The cubic root of 5531291 is about 176.8515358420.

The spelling of 5531291 in words is "five million, five hundred thirty-one thousand, two hundred ninety-one".