1304345453 has 2 divisors, whose sum is σ = 1304345454. Its totient is φ = 1304345452.

The previous prime is 1304345447. The next prime is 1304345461. The reversal of 1304345453 is 3545434031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1296936169 + 7409284 = 36013^2 + 2722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304345453 - 2²⁰ = 1303296877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304347453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652172726 + 652172727.

It is an arithmetic number, because the mean of its divisors is an integer number (652172727).

Almost surely, 2^1304345453 is an apocalyptic number.

It is an amenable number.

1304345453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304345453 is an equidigital number, since it uses as much as digits as its factorization.

1304345453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 1304345453 is about 36115.7230718146. The cubic root of 1304345453 is about 1092.6075810045.

Adding to 1304345453 its reverse (3545434031), we get a palindrome (4849779484).

The spelling of 1304345453 in words is "one billion, three hundred four million, three hundred forty-five thousand, four hundred fifty-three".