113543557 has 2 divisors, whose sum is σ = 113543558. Its totient is φ = 113543556.

The previous prime is 113543519. The next prime is 113543581. The reversal of 113543557 is 755345311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75585636 + 37957921 = 8694^2 + 6161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113543557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113543657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56771778 + 56771779.

It is an arithmetic number, because the mean of its divisors is an integer number (56771779).

Almost surely, 2^113543557 is an apocalyptic number.

It is an amenable number.

113543557 is a deficient number, since it is larger than the sum of its proper divisors (1).

113543557 is an equidigital number, since it uses as much as digits as its factorization.

113543557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 34.

The square root of 113543557 is about 10655.6819115437. The cubic root of 113543557 is about 484.2327572171.

Adding to 113543557 its reverse (755345311), we get a palindrome (868888868).

The spelling of 113543557 in words is "one hundred thirteen million, five hundred forty-three thousand, five hundred fifty-seven".