115274281 has 2 divisors, whose sum is σ = 115274282. Its totient is φ = 115274280.

The previous prime is 115274239. The next prime is 115274293. The reversal of 115274281 is 182472511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111112681 + 4161600 = 10541^2 + 2040^2 .

It is a cyclic number.

It is not a de Polignac number, because 115274281 - 2¹¹ = 115272233 is a prime.

It is a super-2 number, since 2×115274281² = 26576319720133922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115274231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57637140 + 57637141.

It is an arithmetic number, because the mean of its divisors is an integer number (57637141).

Almost surely, 2^115274281 is an apocalyptic number.

It is an amenable number.

115274281 is a deficient number, since it is larger than the sum of its proper divisors (1).

115274281 is an equidigital number, since it uses as much as digits as its factorization.

115274281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 31.

The square root of 115274281 is about 10736.5860961481. The cubic root of 115274281 is about 486.6807186681.

The spelling of 115274281 in words is "one hundred fifteen million, two hundred seventy-four thousand, two hundred eighty-one".