404413001 has 2 divisors, whose sum is σ = 404413002. Its totient is φ = 404413000.

The previous prime is 404412991. The next prime is 404413007. The reversal of 404413001 is 100314404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330366976 + 74046025 = 18176^2 + 8605^2 .

It is a cyclic number.

It is not a de Polignac number, because 404413001 - 2¹⁰ = 404411977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (404413007) 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, 202206500 + 202206501.

It is an arithmetic number, because the mean of its divisors is an integer number (202206501).

Almost surely, 2^404413001 is an apocalyptic number.

It is an amenable number.

404413001 is a deficient number, since it is larger than the sum of its proper divisors (1).

404413001 is an equidigital number, since it uses as much as digits as its factorization.

404413001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 404413001 is about 20110.0224017777. The cubic root of 404413001 is about 739.5060015608.

Adding to 404413001 its reverse (100314404), we get a palindrome (504727405).

The spelling of 404413001 in words is "four hundred four million, four hundred thirteen thousand, one".