41090891 has 2 divisors, whose sum is σ = 41090892. Its totient is φ = 41090890.

The previous prime is 41090879. The next prime is 41090927. The reversal of 41090891 is 19809014.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41090891 - 2¹⁴ = 41074507 is a prime.

It is a super-2 number, since 2×41090891² = 3376922646347762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41090591) 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, 20545445 + 20545446.

It is an arithmetic number, because the mean of its divisors is an integer number (20545446).

Almost surely, 2^41090891 is an apocalyptic number.

41090891 is a deficient number, since it is larger than the sum of its proper divisors (1).

41090891 is an equidigital number, since it uses as much as digits as its factorization.

41090891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 41090891 is about 6410.2177030113. The cubic root of 41090891 is about 345.0763424138.

The spelling of 41090891 in words is "forty-one million, ninety thousand, eight hundred ninety-one".