404502053 has 4 divisors (see below), whose sum is σ = 411358080. Its totient is φ = 397646028.

The previous prime is 404502047. The next prime is 404502061. The reversal of 404502053 is 350205404.

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 404502053 - 2¹⁰ = 404501029 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 (404502083) 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, 3427925 + ... + 3428042.

It is an arithmetic number, because the mean of its divisors is an integer number (102839520).

Almost surely, 2^404502053 is an apocalyptic number.

It is an amenable number.

404502053 is a deficient number, since it is larger than the sum of its proper divisors (6856027).

404502053 is an equidigital number, since it uses as much as digits as its factorization.

404502053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856026.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 404502053 is about 20112.2363997642. The cubic root of 404502053 is about 739.5602774744.

Adding to 404502053 its reverse (350205404), we get a palindrome (754707457).

The spelling of 404502053 in words is "four hundred four million, five hundred two thousand, fifty-three".