5617691 has 2 divisors, whose sum is σ = 5617692. Its totient is φ = 5617690.

The previous prime is 5617687. The next prime is 5617693. The reversal of 5617691 is 1967165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5617691 - 2² = 5617687 is a prime.

Together with 5617693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5617693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2808845 + 2808846.

It is an arithmetic number, because the mean of its divisors is an integer number (2808846).

Almost surely, 2^5617691 is an apocalyptic number.

5617691 is a deficient number, since it is larger than the sum of its proper divisors (1).

5617691 is an equidigital number, since it uses as much as digits as its factorization.

5617691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 35.

The square root of 5617691 is about 2370.1668717624. The cubic root of 5617691 is about 177.7676027018.

The spelling of 5617691 in words is "five million, six hundred seventeen thousand, six hundred ninety-one".