113552321 has 2 divisors, whose sum is σ = 113552322. Its totient is φ = 113552320.

The previous prime is 113552281. The next prime is 113552323. The reversal of 113552321 is 123255311.

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., 108972721 + 4579600 = 10439^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 113552321 - 2¹⁰ = 113551297 is a prime.

It is a Sophie Germain prime.

Together with 113552323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (113552323) 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 as a sum of consecutive naturals, namely, 56776160 + 56776161.

It is an arithmetic number, because the mean of its divisors is an integer number (56776161).

Almost surely, 2^113552321 is an apocalyptic number.

It is an amenable number.

113552321 is a deficient number, since it is larger than the sum of its proper divisors (1).

113552321 is an equidigital number, since it uses as much as digits as its factorization.

113552321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 23.

The square root of 113552321 is about 10656.0931396080. The cubic root of 113552321 is about 484.2452155982.

The spelling of 113552321 in words is "one hundred thirteen million, five hundred fifty-two thousand, three hundred twenty-one".