113552281 has 2 divisors, whose sum is σ = 113552282. Its totient is φ = 113552280.

The previous prime is 113552273. The next prime is 113552321. The reversal of 113552281 is 182255311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109390681 + 4161600 = 10459^2 + 2040^2 .

It is a cyclic number.

It is not a de Polignac number, because 113552281 - 2³ = 113552273 is a prime.

It is a super-2 number, since 2×113552281² = 25788241040605922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113552221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56776140 + 56776141.

It is an arithmetic number, because the mean of its divisors is an integer number (56776141).

Almost surely, 2^113552281 is an apocalyptic number.

It is an amenable number.

113552281 is a deficient number, since it is larger than the sum of its proper divisors (1).

113552281 is an equidigital number, since it uses as much as digits as its factorization.

113552281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 28.

The square root of 113552281 is about 10656.0912627473. The cubic root of 113552281 is about 484.2451587380.

The spelling of 113552281 in words is "one hundred thirteen million, five hundred fifty-two thousand, two hundred eighty-one".