6198631 has 2 divisors, whose sum is σ = 6198632. Its totient is φ = 6198630.

The previous prime is 6198611. The next prime is 6198641. The reversal of 6198631 is 1368916.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6198631 - 2⁹ = 6198119 is a prime.

It is a super-2 number, since 2×6198631² = 76846052548322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6198601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3099315 + 3099316.

It is an arithmetic number, because the mean of its divisors is an integer number (3099316).

Almost surely, 2^6198631 is an apocalyptic number.

6198631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6198631 is an equidigital number, since it uses as much as digits as its factorization.

6198631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 6198631 is about 2489.7050026057. The cubic root of 6198631 is about 183.6955326246.

The spelling of 6198631 in words is "six million, one hundred ninety-eight thousand, six hundred thirty-one".