41520631 has 2 divisors, whose sum is σ = 41520632. Its totient is φ = 41520630.

The previous prime is 41520629. The next prime is 41520641. The reversal of 41520631 is 13602514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41520631 - 2¹ = 41520629 is a prime.

It is a super-2 number, since 2×41520631² = 3447925597276322, which contains 22 as substring.

Together with 41520629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41520641) 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, 20760315 + 20760316.

It is an arithmetic number, because the mean of its divisors is an integer number (20760316).

Almost surely, 2^41520631 is an apocalyptic number.

41520631 is a deficient number, since it is larger than the sum of its proper divisors (1).

41520631 is an equidigital number, since it uses as much as digits as its factorization.

41520631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 41520631 is about 6443.6504405500. The cubic root of 41520631 is about 346.2751411669.

The spelling of 41520631 in words is "forty-one million, five hundred twenty thousand, six hundred thirty-one".