113542573 has 2 divisors, whose sum is σ = 113542574. Its totient is φ = 113542572.

The previous prime is 113542549. The next prime is 113542579. The reversal of 113542573 is 375245311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111576969 + 1965604 = 10563^2 + 1402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113542573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113542579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56771286 + 56771287.

It is an arithmetic number, because the mean of its divisors is an integer number (56771287).

Almost surely, 2^113542573 is an apocalyptic number.

It is an amenable number.

113542573 is a deficient number, since it is larger than the sum of its proper divisors (1).

113542573 is an equidigital number, since it uses as much as digits as its factorization.

113542573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 113542573 is about 10655.6357388942. The cubic root of 113542573 is about 484.2313583812.

Adding to 113542573 its reverse (375245311), we get a palindrome (488787884).

The spelling of 113542573 in words is "one hundred thirteen million, five hundred forty-two thousand, five hundred seventy-three".