41564401 has 4 divisors (see below), whose sum is σ = 41653872. Its totient is φ = 41474932.

The previous prime is 41564387. The next prime is 41564417. The reversal of 41564401 is 10446514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41564401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41564441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44035 + ... + 44968.

It is an arithmetic number, because the mean of its divisors is an integer number (10413468).

Almost surely, 2^41564401 is an apocalyptic number.

It is an amenable number.

41564401 is a deficient number, since it is larger than the sum of its proper divisors (89471).

41564401 is an equidigital number, since it uses as much as digits as its factorization.

41564401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89470.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 41564401 is about 6447.0459126642. The cubic root of 41564401 is about 346.3967766031.

The spelling of 41564401 in words is "forty-one million, five hundred sixty-four thousand, four hundred one".