404195053 has 2 divisors, whose sum is σ = 404195054. Its totient is φ = 404195052.

The previous prime is 404195041. The next prime is 404195093. The reversal of 404195053 is 350591404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301821129 + 102373924 = 17373^2 + 10118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404195053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404195093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202097526 + 202097527.

It is an arithmetic number, because the mean of its divisors is an integer number (202097527).

Almost surely, 2^404195053 is an apocalyptic number.

It is an amenable number.

404195053 is a deficient number, since it is larger than the sum of its proper divisors (1).

404195053 is an equidigital number, since it uses as much as digits as its factorization.

404195053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 404195053 is about 20104.6027814528. The cubic root of 404195053 is about 739.3731317669.

The spelling of 404195053 in words is "four hundred four million, one hundred ninety-five thousand, fifty-three".