41091631 has 8 divisors (see below), whose sum is σ = 47027840. Its totient is φ = 35171928.

The previous prime is 41091629. The next prime is 41091641. The reversal of 41091631 is 13619014.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41091631 - 2¹ = 41091629 is a prime.

It is a super-2 number, since 2×41091631² = 3377044276480322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41091596 and 41091605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41091641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780 + ... + 9238.

It is an arithmetic number, because the mean of its divisors is an integer number (5878480).

Almost surely, 2^41091631 is an apocalyptic number.

41091631 is a deficient number, since it is larger than the sum of its proper divisors (5936209).

41091631 is an equidigital number, since it uses as much as digits as its factorization.

41091631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 41091631 is about 6410.2754231000. The cubic root of 41091631 is about 345.0784138782.

The spelling of 41091631 in words is "forty-one million, ninety-one thousand, six hundred thirty-one".