1304042553 has 24 divisors (see below), whose sum is σ = 2102649120. Its totient is φ = 771946560.

The previous prime is 1304042479. The next prime is 1304042563. The reversal of 1304042553 is 3552404031.

1304042553 is a `hidden beast` number, since 1 + 3 + 0 + 404 + 255 + 3 = 666.

1304042553 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1304042553 - 2⁸ = 1304042297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1304042563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148908 + ... + 157421.

It is an arithmetic number, because the mean of its divisors is an integer number (87610380).

Almost surely, 2^1304042553 is an apocalyptic number.

It is an amenable number.

1304042553 is a deficient number, since it is larger than the sum of its proper divisors (798606567).

1304042553 is a wasteful number, since it uses less digits than its factorization.

1304042553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306389 (or 306386 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1304042553 is about 36111.5293639026. The cubic root of 1304042553 is about 1092.5229979781.

Adding to 1304042553 its reverse (3552404031), we get a palindrome (4856446584).

The spelling of 1304042553 in words is "one billion, three hundred four million, forty-two thousand, five hundred fifty-three".