115257 has 8 divisors (see below), whose sum is σ = 155584. Its totient is φ = 75888.

The previous prime is 115249. The next prime is 115259. The reversal of 115257 is 752511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115257 - 2³ = 115249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123 + ... + 495.

It is an arithmetic number, because the mean of its divisors is an integer number (19448).

2¹¹⁵²⁵⁷ is an apocalyptic number.

It is an amenable number.

115257 is a deficient number, since it is larger than the sum of its proper divisors (40327).

115257 is a wasteful number, since it uses less digits than its factorization.

115257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479.

The product of its digits is 350, while the sum is 21.

The square root of 115257 is about 339.4952135156. The cubic root of 115257 is about 48.6656397690.

Adding to 115257 its reverse (752511), we get a palindrome (867768).

The spelling of 115257 in words is "one hundred fifteen thousand, two hundred fifty-seven".