404313953 has 2 divisors, whose sum is σ = 404313954. Its totient is φ = 404313952.

The previous prime is 404313947. The next prime is 404313967. The reversal of 404313953 is 359313404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359785024 + 44528929 = 18968^2 + 6673^2 .

It is a cyclic number.

It is not a de Polignac number, because 404313953 - 2⁸ = 404313697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (404313983) 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, 202156976 + 202156977.

It is an arithmetic number, because the mean of its divisors is an integer number (202156977).

Almost surely, 2^404313953 is an apocalyptic number.

It is an amenable number.

404313953 is a deficient number, since it is larger than the sum of its proper divisors (1).

404313953 is an equidigital number, since it uses as much as digits as its factorization.

404313953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 404313953 is about 20107.5595983202. The cubic root of 404313953 is about 739.4456238686.

The spelling of 404313953 in words is "four hundred four million, three hundred thirteen thousand, nine hundred fifty-three".