113554321 has 2 divisors, whose sum is σ = 113554322. Its totient is φ = 113554320.

The previous prime is 113554223. The next prime is 113554349. The reversal of 113554321 is 123455311.

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., 112678225 + 876096 = 10615^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 113554321 - 2⁷ = 113554193 is a prime.

It is not a weakly prime, because it can be changed into another prime (113554361) 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, 56777160 + 56777161.

It is an arithmetic number, because the mean of its divisors is an integer number (56777161).

Almost surely, 2^113554321 is an apocalyptic number.

It is an amenable number.

113554321 is a deficient number, since it is larger than the sum of its proper divisors (1).

113554321 is an equidigital number, since it uses as much as digits as its factorization.

113554321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 113554321 is about 10656.1869822184. The cubic root of 113554321 is about 484.2480585894.

The spelling of 113554321 in words is "one hundred thirteen million, five hundred fifty-four thousand, three hundred twenty-one".