113506571 has 2 divisors, whose sum is σ = 113506572. Its totient is φ = 113506570.

The previous prime is 113506537. The next prime is 113506607. The reversal of 113506571 is 175605311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113506571 - 2¹⁴ = 113490187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113506871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56753285 + 56753286.

It is an arithmetic number, because the mean of its divisors is an integer number (56753286).

Almost surely, 2^113506571 is an apocalyptic number.

113506571 is a deficient number, since it is larger than the sum of its proper divisors (1).

113506571 is an equidigital number, since it uses as much as digits as its factorization.

113506571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 113506571 is about 10653.9462641784. The cubic root of 113506571 is about 484.1801730569.

The spelling of 113506571 in words is "one hundred thirteen million, five hundred six thousand, five hundred seventy-one".