40873571 has 2 divisors, whose sum is σ = 40873572. Its totient is φ = 40873570.

The previous prime is 40873543. The next prime is 40873577. The reversal of 40873571 is 17537804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40873571 - 2¹⁰ = 40872547 is a prime.

It is not a weakly prime, because it can be changed into another prime (40873577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20436785 + 20436786.

It is an arithmetic number, because the mean of its divisors is an integer number (20436786).

Almost surely, 2^40873571 is an apocalyptic number.

40873571 is a deficient number, since it is larger than the sum of its proper divisors (1).

40873571 is an equidigital number, since it uses as much as digits as its factorization.

40873571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 40873571 is about 6393.2441686518. The cubic root of 40873571 is about 344.4669244164.

The spelling of 40873571 in words is "forty million, eight hundred seventy-three thousand, five hundred seventy-one".