8242631 has 2 divisors, whose sum is σ = 8242632. Its totient is φ = 8242630.

The previous prime is 8242609. The next prime is 8242639. The reversal of 8242631 is 1362428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8242631 - 2⁶ = 8242567 is a prime.

It is a super-2 number, since 2×8242631² = 135881931604322, which contains 22 as substring.

It is a Sophie Germain prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8242631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8242639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4121315 + 4121316.

It is an arithmetic number, because the mean of its divisors is an integer number (4121316).

Almost surely, 2^8242631 is an apocalyptic number.

8242631 is a deficient number, since it is larger than the sum of its proper divisors (1).

8242631 is an equidigital number, since it uses as much as digits as its factorization.

8242631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 8242631 is about 2870.9982584460. The cubic root of 8242631 is about 202.0018217004.

The spelling of 8242631 in words is "eight million, two hundred forty-two thousand, six hundred thirty-one".