1304030513 has 8 divisors (see below), whose sum is σ = 1350437088. Its totient is φ = 1258354944.

The previous prime is 1304030491. The next prime is 1304030521. The reversal of 1304030513 is 3150304031.

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 a de Polignac number, because none of the positive numbers 2^k-1304030513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304030113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179120 + ... + 186257.

It is an arithmetic number, because the mean of its divisors is an integer number (168804636).

Almost surely, 2^1304030513 is an apocalyptic number.

It is an amenable number.

1304030513 is a deficient number, since it is larger than the sum of its proper divisors (46406575).

1304030513 is an equidigital number, since it uses as much as digits as its factorization.

1304030513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365503.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1304030513 is about 36111.3626577564. The cubic root of 1304030513 is about 1092.5196356089.

Adding to 1304030513 its reverse (3150304031), we get a palindrome (4454334544).

The spelling of 1304030513 in words is "one billion, three hundred four million, thirty thousand, five hundred thirteen".