404264563 has 2 divisors, whose sum is σ = 404264564. Its totient is φ = 404264562.

The previous prime is 404264513. The next prime is 404264593. The reversal of 404264563 is 365462404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404264563 - 2²¹ = 402167411 is a prime.

It is not a weakly prime, because it can be changed into another prime (404264503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202132281 + 202132282.

It is an arithmetic number, because the mean of its divisors is an integer number (202132282).

Almost surely, 2^404264563 is an apocalyptic number.

404264563 is a deficient number, since it is larger than the sum of its proper divisors (1).

404264563 is an equidigital number, since it uses as much as digits as its factorization.

404264563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 404264563 is about 20106.3314157506. The cubic root of 404264563 is about 739.4155130217.

The spelling of 404264563 in words is "four hundred four million, two hundred sixty-four thousand, five hundred sixty-three".