1304200453 has 4 divisors (see below), whose sum is σ = 1305072000. Its totient is φ = 1303328908.

The previous prime is 1304200421. The next prime is 1304200459. The reversal of 1304200453 is 3540024031.

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 1304200453 - 2⁵ = 1304200421 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 (1304200459) 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, 433525 + ... + 436522.

It is an arithmetic number, because the mean of its divisors is an integer number (326268000).

Almost surely, 2^1304200453 is an apocalyptic number.

It is an amenable number.

1304200453 is a deficient number, since it is larger than the sum of its proper divisors (871547).

1304200453 is an equidigital number, since it uses as much as digits as its factorization.

1304200453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871546.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1304200453 is about 36113.7155800951. The cubic root of 1304200453 is about 1092.5670922496.

Adding to 1304200453 its reverse (3540024031), we get a palindrome (4844224484).

The spelling of 1304200453 in words is "one billion, three hundred four million, two hundred thousand, four hundred fifty-three".