5691667 has 2 divisors, whose sum is σ = 5691668. Its totient is φ = 5691666.

The previous prime is 5691641. The next prime is 5691689. The reversal of 5691667 is 7661965.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5691667 - 2¹⁵ = 5658899 is a prime.

It is not a weakly prime, because it can be changed into another prime (5691167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845833 + 2845834.

It is an arithmetic number, because the mean of its divisors is an integer number (2845834).

Almost surely, 2^5691667 is an apocalyptic number.

5691667 is a deficient number, since it is larger than the sum of its proper divisors (1).

5691667 is an equidigital number, since it uses as much as digits as its factorization.

5691667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 5691667 is about 2385.7214841636. The cubic root of 5691667 is about 178.5445073625.

The spelling of 5691667 in words is "five million, six hundred ninety-one thousand, six hundred sixty-seven".