10557013 has 4 divisors (see below), whose sum is σ = 10565100. Its totient is φ = 10548928.

The previous prime is 10556981. The next prime is 10557031. The reversal of 10557013 is 31075501.

10557013 = 2297² + 2298².

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31075501 = 29 ⋅1071569.

It can be written as a sum of positive squares in 2 ways, for example, as 5280804 + 5276209 = 2298^2 + 2297^2 .

It is a cyclic number.

It is not a de Polignac number, because 10557013 - 2⁵ = 10556981 is a prime.

It is a super-2 number, since 2×10557013² = 222901046964338, 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 (10552013) 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, 1588 + ... + 4861.

It is an arithmetic number, because the mean of its divisors is an integer number (2641275).

Almost surely, 2^10557013 is an apocalyptic number.

10557013 is the 2298-th centered square number.

It is an amenable number.

10557013 is a deficient number, since it is larger than the sum of its proper divisors (8087).

10557013 is an equidigital number, since it uses as much as digits as its factorization.

10557013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 10557013 is about 3249.1557364953. The cubic root of 10557013 is about 219.3715743926.

The spelling of 10557013 in words is "ten million, five hundred fifty-seven thousand, thirteen".