2304513 has 6 divisors (see below), whose sum is σ = 3328754. Its totient is φ = 1536336.

The previous prime is 2304479. The next prime is 2304521. The reversal of 2304513 is 3154032.

It can be written as a sum of positive squares in only one way, i.e., 2241009 + 63504 = 1497^2 + 252^2 .

It is not a de Polignac number, because 2304513 - 2⁸ = 2304257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2304553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128020 + ... + 128037.

2^2304513 is an apocalyptic number.

It is an amenable number.

2304513 is a deficient number, since it is larger than the sum of its proper divisors (1024241).

2304513 is a wasteful number, since it uses less digits than its factorization.

2304513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256063 (or 256060 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2304513 is about 1518.0622516880. The cubic root of 2304513 is about 132.0868918249.

Adding to 2304513 its reverse (3154032), we get a palindrome (5458545).

The spelling of 2304513 in words is "two million, three hundred four thousand, five hundred thirteen".