10581313 has 2 divisors, whose sum is σ = 10581314. Its totient is φ = 10581312.

The previous prime is 10581289. The next prime is 10581359. The reversal of 10581313 is 31318501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6848689 + 3732624 = 2617^2 + 1932^2 .

It is a cyclic number.

It is not a de Polignac number, because 10581313 - 2⁵ = 10581281 is a prime.

It is a super-2 number, since 2×10581313² = 223928369607938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10581113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5290656 + 5290657.

It is an arithmetic number, because the mean of its divisors is an integer number (5290657).

Almost surely, 2^10581313 is an apocalyptic number.

It is an amenable number.

10581313 is a deficient number, since it is larger than the sum of its proper divisors (1).

10581313 is an equidigital number, since it uses as much as digits as its factorization.

10581313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 10581313 is about 3252.8930200669. The cubic root of 10581313 is about 219.5397609940.

Adding to 10581313 its reverse (31318501), we get a palindrome (41899814).

It can be divided in two parts, 105 and 81313, that added together give a palindrome (81418).

The spelling of 10581313 in words is "ten million, five hundred eighty-one thousand, three hundred thirteen".