41439631 has 2 divisors, whose sum is σ = 41439632. Its totient is φ = 41439630.

The previous prime is 41439613. The next prime is 41439641. The reversal of 41439631 is 13693414.

41439631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (41439613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41439631 - 2⁵ = 41439599 is a prime.

It is a super-2 number, since 2×41439631² = 3434486034832322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 41439593 and 41439602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41439641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20719815 + 20719816.

It is an arithmetic number, because the mean of its divisors is an integer number (20719816).

Almost surely, 2^41439631 is an apocalyptic number.

41439631 is a deficient number, since it is larger than the sum of its proper divisors (1).

41439631 is an equidigital number, since it uses as much as digits as its factorization.

41439631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 41439631 is about 6437.3621150282. The cubic root of 41439631 is about 346.0498190819.

The spelling of 41439631 in words is "forty-one million, four hundred thirty-nine thousand, six hundred thirty-one".