115852281 has 4 divisors (see below), whose sum is σ = 154469712. Its totient is φ = 77234852.

The previous prime is 115852273. The next prime is 115852307. The reversal of 115852281 is 182258511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 182258511 = 3 ⋅60752837.

It is a cyclic number.

It is not a de Polignac number, because 115852281 - 2³ = 115852273 is a prime.

It is a super-2 number, since 2×115852281² = 26843502025805922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115853281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19308711 + ... + 19308716.

It is an arithmetic number, because the mean of its divisors is an integer number (38617428).

Almost surely, 2^115852281 is an apocalyptic number.

It is an amenable number.

115852281 is a deficient number, since it is larger than the sum of its proper divisors (38617431).

115852281 is an equidigital number, since it uses as much as digits as its factorization.

115852281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38617430.

The product of its digits is 6400, while the sum is 33.

The square root of 115852281 is about 10763.4697472516. The cubic root of 115852281 is about 487.4927893740.

The spelling of 115852281 in words is "one hundred fifteen million, eight hundred fifty-two thousand, two hundred eighty-one".