10321513 has 2 divisors, whose sum is σ = 10321514. Its totient is φ = 10321512.

The previous prime is 10321489. The next prime is 10321517. The reversal of 10321513 is 31512301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8020224 + 2301289 = 2832^2 + 1517^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321513 - 2¹³ = 10313321 is a prime.

It is not a weakly prime, because it can be changed into another prime (10321517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160756 + 5160757.

It is an arithmetic number, because the mean of its divisors is an integer number (5160757).

Almost surely, 2^10321513 is an apocalyptic number.

It is an amenable number.

10321513 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321513 is an equidigital number, since it uses as much as digits as its factorization.

10321513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 10321513 is about 3212.7111603753. The cubic root of 10321513 is about 217.7280859154.

Adding to 10321513 its reverse (31512301), we get a palindrome (41833814).

The spelling of 10321513 in words is "ten million, three hundred twenty-one thousand, five hundred thirteen".