113445571 has 2 divisors, whose sum is σ = 113445572. Its totient is φ = 113445570.

The previous prime is 113445533. The next prime is 113445581. The reversal of 113445571 is 175544311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113445571 is a prime.

It is not a weakly prime, because it can be changed into another prime (113445581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56722785 + 56722786.

It is an arithmetic number, because the mean of its divisors is an integer number (56722786).

Almost surely, 2^113445571 is an apocalyptic number.

113445571 is a deficient number, since it is larger than the sum of its proper divisors (1).

113445571 is an equidigital number, since it uses as much as digits as its factorization.

113445571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 31.

The square root of 113445571 is about 10651.0830904655. The cubic root of 113445571 is about 484.0934224758.

Adding to 113445571 its reverse (175544311), we get a palindrome (288989882).

The spelling of 113445571 in words is "one hundred thirteen million, four hundred forty-five thousand, five hundred seventy-one".