405564201 has 12 divisors (see below), whose sum is σ = 669502912. Its totient is φ = 231750936.

The previous prime is 405564197. The next prime is 405564233. The reversal of 405564201 is 102465504.

405564201 is a `hidden beast` number, since 405 + 56 + 4 + 201 = 666.

It is not a de Polignac number, because 405564201 - 2² = 405564197 is a prime.

It is a super-2 number, since 2×405564201² = 328964642265536802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (405564281) 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 in 11 ways as a sum of consecutive naturals, for example, 3218701 + ... + 3218826.

Almost surely, 2^405564201 is an apocalyptic number.

It is an amenable number.

405564201 is a deficient number, since it is larger than the sum of its proper divisors (263938711).

405564201 is a wasteful number, since it uses less digits than its factorization.

405564201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6437540 (or 6437537 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 405564201 is about 20138.6246054690. The cubic root of 405564201 is about 740.2070281474.

The spelling of 405564201 in words is "four hundred five million, five hundred sixty-four thousand, two hundred one".