113220529 has 2 divisors, whose sum is σ = 113220530. Its totient is φ = 113220528.

The previous prime is 113220491. The next prime is 113220539. The reversal of 113220529 is 925022311.

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., 101304225 + 11916304 = 10065^2 + 3452^2 .

It is a cyclic number.

It is not a de Polignac number, because 113220529 - 2²¹ = 111123377 is a prime.

It is not a weakly prime, because it can be changed into another prime (113220539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610264 + 56610265.

It is an arithmetic number, because the mean of its divisors is an integer number (56610265).

Almost surely, 2^113220529 is an apocalyptic number.

It is an amenable number.

113220529 is a deficient number, since it is larger than the sum of its proper divisors (1).

113220529 is an equidigital number, since it uses as much as digits as its factorization.

113220529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 113220529 is about 10640.5135684327. The cubic root of 113220529 is about 483.7731118453.

The spelling of 113220529 in words is "one hundred thirteen million, two hundred twenty thousand, five hundred twenty-nine".