1304225513 has 8 divisors (see below), whose sum is σ = 1333314048. Its totient is φ = 1275192864.

The previous prime is 1304225479. The next prime is 1304225579. The reversal of 1304225513 is 3155224031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304225513 - 2²⁶ = 1237116649 is a prime.

It is a super-2 number, since 2×1304225513² = 3402008377520226338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1304225213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35120 + ... + 61982.

It is an arithmetic number, because the mean of its divisors is an integer number (166664256).

Almost surely, 2^1304225513 is an apocalyptic number.

It is an amenable number.

1304225513 is a deficient number, since it is larger than the sum of its proper divisors (29088535).

1304225513 is a wasteful number, since it uses less digits than its factorization.

1304225513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27943.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1304225513 is about 36114.0625380197. The cubic root of 1304225513 is about 1092.5740900379.

Adding to 1304225513 its reverse (3155224031), we get a palindrome (4459449544).

The spelling of 1304225513 in words is "one billion, three hundred four million, two hundred twenty-five thousand, five hundred thirteen".