115052281 has 2 divisors, whose sum is σ = 115052282. Its totient is φ = 115052280.

The previous prime is 115052261. The next prime is 115052291. The reversal of 115052281 is 182250511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86322681 + 28729600 = 9291^2 + 5360^2 .

It is an emirp because it is prime and its reverse (182250511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115052281 - 2⁷ = 115052153 is a prime.

It is a super-2 number, since 2×115052281² = 26474054726605922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115052261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57526140 + 57526141.

It is an arithmetic number, because the mean of its divisors is an integer number (57526141).

Almost surely, 2^115052281 is an apocalyptic number.

It is an amenable number.

115052281 is a deficient number, since it is larger than the sum of its proper divisors (1).

115052281 is an equidigital number, since it uses as much as digits as its factorization.

115052281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 115052281 is about 10726.2426319751. The cubic root of 115052281 is about 486.3680945774.

The spelling of 115052281 in words is "one hundred fifteen million, fifty-two thousand, two hundred eighty-one".