1304344225 has 12 divisors (see below), whose sum is σ = 1627693564. Its totient is φ = 1036825920.

The previous prime is 1304344219. The next prime is 1304344259. The reversal of 1304344225 is 5224434031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 133541136 + 1170803089 = 11556^2 + 34217^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1304344225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304344193 and 1304344202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162234 + ... + 170083.

Almost surely, 2^1304344225 is an apocalyptic number.

It is an amenable number.

1304344225 is a deficient number, since it is larger than the sum of its proper divisors (323349339).

1304344225 is a wasteful number, since it uses less digits than its factorization.

1304344225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332484 (or 332479 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1304344225 is about 36115.7060709049. The cubic root of 1304344225 is about 1092.6072381193.

Adding to 1304344225 its reverse (5224434031), we get a palindrome (6528778256).

The spelling of 1304344225 in words is "one billion, three hundred four million, three hundred forty-four thousand, two hundred twenty-five".