5664671 has 2 divisors, whose sum is σ = 5664672. Its totient is φ = 5664670.

The previous prime is 5664653. The next prime is 5664697. The reversal of 5664671 is 1764665.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5664671 is a prime.

It is a Chen prime.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5664611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832335 + 2832336.

It is an arithmetic number, because the mean of its divisors is an integer number (2832336).

Almost surely, 2^5664671 is an apocalyptic number.

5664671 is a deficient number, since it is larger than the sum of its proper divisors (1).

5664671 is an equidigital number, since it uses as much as digits as its factorization.

5664671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 5664671 is about 2380.0569320922. The cubic root of 5664671 is about 178.2617765923.

The spelling of 5664671 in words is "five million, six hundred sixty-four thousand, six hundred seventy-one".