404316053 has 4 divisors (see below), whose sum is σ = 408859020. Its totient is φ = 399773088.

The previous prime is 404316019. The next prime is 404316091. The reversal of 404316053 is 350613404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145974724 + 258341329 = 12082^2 + 16073^2 .

It is a cyclic number.

It is not a de Polignac number, because 404316053 - 2²² = 400121749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404316013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2271350 + ... + 2271527.

It is an arithmetic number, because the mean of its divisors is an integer number (102214755).

Almost surely, 2^404316053 is an apocalyptic number.

It is an amenable number.

404316053 is a deficient number, since it is larger than the sum of its proper divisors (4542967).

404316053 is an equidigital number, since it uses as much as digits as its factorization.

404316053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542966.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 404316053 is about 20107.6118174188. The cubic root of 404316053 is about 739.4469040892.

Adding to 404316053 its reverse (350613404), we get a palindrome (754929457).

The spelling of 404316053 in words is "four hundred four million, three hundred sixteen thousand, fifty-three".