10581013 has 4 divisors (see below), whose sum is σ = 10922368. Its totient is φ = 10239660.

The previous prime is 10580971. The next prime is 10581031. The reversal of 10581013 is 31018501.

10581013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31018501 = 503 ⋅61667.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10581013 is a prime.

It is a super-2 number, since 2×10581013² = 223915672212338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10581073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170631 + ... + 170692.

It is an arithmetic number, because the mean of its divisors is an integer number (2730592).

Almost surely, 2^10581013 is an apocalyptic number.

It is an amenable number.

10581013 is a deficient number, since it is larger than the sum of its proper divisors (341355).

10581013 is an equidigital number, since it uses as much as digits as its factorization.

10581013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341354.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 10581013 is about 3252.8469069417. The cubic root of 10581013 is about 219.5376861869.

Adding to 10581013 its reverse (31018501), we get a palindrome (41599514).

It can be divided in two parts, 105 and 81013, that added together give a palindrome (81118).

The spelling of 10581013 in words is "ten million, five hundred eighty-one thousand, thirteen".