113497543 has 2 divisors, whose sum is σ = 113497544. Its totient is φ = 113497542.

The previous prime is 113497523. The next prime is 113497567. The reversal of 113497543 is 345794311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113497543 - 2⁹ = 113497031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113497523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56748771 + 56748772.

It is an arithmetic number, because the mean of its divisors is an integer number (56748772).

Almost surely, 2^113497543 is an apocalyptic number.

113497543 is a deficient number, since it is larger than the sum of its proper divisors (1).

113497543 is an equidigital number, since it uses as much as digits as its factorization.

113497543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 113497543 is about 10653.5225629836. The cubic root of 113497543 is about 484.1673359308.

The spelling of 113497543 in words is "one hundred thirteen million, four hundred ninety-seven thousand, five hundred forty-three".