40564003 has 2 divisors, whose sum is σ = 40564004. Its totient is φ = 40564002.

The previous prime is 40564001. The next prime is 40564037. The reversal of 40564003 is 30046504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40564003 - 2¹ = 40564001 is a prime.

Together with 40564001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40564001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20282001 + 20282002.

It is an arithmetic number, because the mean of its divisors is an integer number (20282002).

Almost surely, 2^40564003 is an apocalyptic number.

40564003 is a deficient number, since it is larger than the sum of its proper divisors (1).

40564003 is an equidigital number, since it uses as much as digits as its factorization.

40564003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40564003 is about 6368.9875961569. The cubic root of 40564003 is about 343.5950791496.

The spelling of 40564003 in words is "forty million, five hundred sixty-four thousand, three".