10304513 has 2 divisors, whose sum is σ = 10304514. Its totient is φ = 10304512.

The previous prime is 10304507. The next prime is 10304521. The reversal of 10304513 is 31540301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9443329 + 861184 = 3073^2 + 928^2 .

It is a cyclic number.

It is not a de Polignac number, because 10304513 - 2⁸ = 10304257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10304491 and 10304500.

It is not a weakly prime, because it can be changed into another prime (10304543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5152256 + 5152257.

It is an arithmetic number, because the mean of its divisors is an integer number (5152257).

Almost surely, 2^10304513 is an apocalyptic number.

It is an amenable number.

10304513 is a deficient number, since it is larger than the sum of its proper divisors (1).

10304513 is an equidigital number, since it uses as much as digits as its factorization.

10304513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 10304513 is about 3210.0643295735. The cubic root of 10304513 is about 217.6084842177.

Adding to 10304513 its reverse (31540301), we get a palindrome (41844814).

The spelling of 10304513 in words is "ten million, three hundred four thousand, five hundred thirteen".