404031053 has 4 divisors (see below), whose sum is σ = 413427168. Its totient is φ = 394634940.

The previous prime is 404031049. The next prime is 404031071. The reversal of 404031053 is 350130404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404031053 - 2² = 404031049 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 (404031013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4697993 + ... + 4698078.

It is an arithmetic number, because the mean of its divisors is an integer number (103356792).

Almost surely, 2^404031053 is an apocalyptic number.

404031053 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

404031053 is a deficient number, since it is larger than the sum of its proper divisors (9396115).

404031053 is an equidigital number, since it uses as much as digits as its factorization.

404031053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9396114.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 404031053 is about 20100.5236996452. The cubic root of 404031053 is about 739.2731193297.

Adding to 404031053 its reverse (350130404), we get a palindrome (754161457).

The spelling of 404031053 in words is "four hundred four million, thirty-one thousand, fifty-three".