113772529 has 4 divisors (see below), whose sum is σ = 122524276. Its totient is φ = 105020784.

The previous prime is 113772497. The next prime is 113772541. The reversal of 113772529 is 925277311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30470400 + 83302129 = 5520^2 + 9127^2 .

It is a cyclic number.

It is not a de Polignac number, because 113772529 - 2⁵ = 113772497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113770529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4375854 + ... + 4375879.

It is an arithmetic number, because the mean of its divisors is an integer number (30631069).

Almost surely, 2^113772529 is an apocalyptic number.

It is an amenable number.

113772529 is a deficient number, since it is larger than the sum of its proper divisors (8751747).

113772529 is an equidigital number, since it uses as much as digits as its factorization.

113772529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8751746.

The product of its digits is 26460, while the sum is 37.

The square root of 113772529 is about 10666.4206273707. The cubic root of 113772529 is about 484.5580400087.

The spelling of 113772529 in words is "one hundred thirteen million, seven hundred seventy-two thousand, five hundred twenty-nine".