41638631 has 2 divisors, whose sum is σ = 41638632. Its totient is φ = 41638630.

The previous prime is 41638613. The next prime is 41638679. The reversal of 41638631 is 13683614.

Together with previous prime (41638613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41638631 - 2¹⁴ = 41622247 is a prime.

It is a super-2 number, since 2×41638631² = 3467551183108322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41638931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20819315 + 20819316.

It is an arithmetic number, because the mean of its divisors is an integer number (20819316).

Almost surely, 2^41638631 is an apocalyptic number.

41638631 is a deficient number, since it is larger than the sum of its proper divisors (1).

41638631 is an equidigital number, since it uses as much as digits as its factorization.

41638631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 41638631 is about 6452.8002448549. The cubic root of 41638631 is about 346.6028643471.

The spelling of 41638631 in words is "forty-one million, six hundred thirty-eight thousand, six hundred thirty-one".