113215873 has 2 divisors, whose sum is σ = 113215874. Its totient is φ = 113215872.

The previous prime is 113215847. The next prime is 113215877. The reversal of 113215873 is 378512311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70090384 + 43125489 = 8372^2 + 6567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113215873 is a prime.

It is not a weakly prime, because it can be changed into another prime (113215877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56607936 + 56607937.

It is an arithmetic number, because the mean of its divisors is an integer number (56607937).

Almost surely, 2^113215873 is an apocalyptic number.

It is an amenable number.

113215873 is a deficient number, since it is larger than the sum of its proper divisors (1).

113215873 is an equidigital number, since it uses as much as digits as its factorization.

113215873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 113215873 is about 10640.2947797512. The cubic root of 113215873 is about 483.7664803080.

The spelling of 113215873 in words is "one hundred thirteen million, two hundred fifteen thousand, eight hundred seventy-three".