113044513 has 2 divisors, whose sum is σ = 113044514. Its totient is φ = 113044512.

The previous prime is 113044499. The next prime is 113044579. The reversal of 113044513 is 315440311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111682624 + 1361889 = 10568^2 + 1167^2 .

It is an emirp because it is prime and its reverse (315440311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113044513 is a prime.

It is a super-3 number, since 3×113044513³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (113047513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56522256 + 56522257.

It is an arithmetic number, because the mean of its divisors is an integer number (56522257).

Almost surely, 2^113044513 is an apocalyptic number.

It is an amenable number.

113044513 is a deficient number, since it is larger than the sum of its proper divisors (1).

113044513 is an equidigital number, since it uses as much as digits as its factorization.

113044513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 113044513 is about 10632.2393219867. The cubic root of 113044513 is about 483.5222857997.

Adding to 113044513 its reverse (315440311), we get a palindrome (428484824).

The spelling of 113044513 in words is "one hundred thirteen million, forty-four thousand, five hundred thirteen".