113242513 has 8 divisors (see below), whose sum is σ = 115042536. Its totient is φ = 111456000.

The previous prime is 113242511. The next prime is 113242523. The reversal of 113242513 is 315242311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 98863249 + 14379264 = 9943^2 + 3792^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113242513 - 2¹ = 113242511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113242511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14233 + ... + 20713.

It is an arithmetic number, because the mean of its divisors is an integer number (14380317).

Almost surely, 2^113242513 is an apocalyptic number.

It is an amenable number.

113242513 is a deficient number, since it is larger than the sum of its proper divisors (1800023).

113242513 is a wasteful number, since it uses less digits than its factorization.

113242513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6755.

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

The square root of 113242513 is about 10641.5465511363. The cubic root of 113242513 is about 483.8044211844.

Adding to 113242513 its reverse (315242311), we get a palindrome (428484824).

The spelling of 113242513 in words is "one hundred thirteen million, two hundred forty-two thousand, five hundred thirteen".