5667631 has 2 divisors, whose sum is σ = 5667632. Its totient is φ = 5667630.

The previous prime is 5667611. The next prime is 5667667. The reversal of 5667631 is 1367665.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5667631 - 2⁷ = 5667503 is a prime.

It is a super-2 number, since 2×5667631² = 64244082304322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5667601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833815 + 2833816.

It is an arithmetic number, because the mean of its divisors is an integer number (2833816).

Almost surely, 2^5667631 is an apocalyptic number.

5667631 is a deficient number, since it is larger than the sum of its proper divisors (1).

5667631 is an equidigital number, since it uses as much as digits as its factorization.

5667631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 5667631 is about 2380.6786847452. The cubic root of 5667631 is about 178.2928206417.

Adding to 5667631 its sum of digits (34), we get a palindrome (5667665).

The spelling of 5667631 in words is "five million, six hundred sixty-seven thousand, six hundred thirty-one".