41981571 has 10 divisors (see below), whose sum is σ = 62713332. Its totient is φ = 27987660.

The previous prime is 41981549. The next prime is 41981573. The reversal of 41981571 is 17518914.

41981571 is a `hidden beast` number, since 4 + 1 + 9 + 81 + 571 = 666.

It is not a de Polignac number, because 41981571 - 2⁵ = 41981539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41981573) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 259065 + ... + 259226.

Almost surely, 2^41981571 is an apocalyptic number.

41981571 is a deficient number, since it is larger than the sum of its proper divisors (20731761).

41981571 is an equidigital number, since it uses as much as digits as its factorization.

41981571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518303 (or 518294 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 41981571 is about 6479.3187141859. The cubic root of 41981571 is about 347.5518160229.

The spelling of 41981571 in words is "forty-one million, nine hundred eighty-one thousand, five hundred seventy-one".