115015253 has 4 divisors (see below), whose sum is σ = 115127628. Its totient is φ = 114902880.

The previous prime is 115015237. The next prime is 115015289. The reversal of 115015253 is 352510511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352510511 = 13147 ⋅26813.

It can be written as a sum of positive squares in 2 ways, for example, as 53831569 + 61183684 = 7337^2 + 7822^2 .

It is a cyclic number.

It is not a de Polignac number, because 115015253 - 2⁴ = 115015237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115015213) 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, 54638 + ... + 56703.

It is an arithmetic number, because the mean of its divisors is an integer number (28781907).

Almost surely, 2^115015253 is an apocalyptic number.

It is an amenable number.

115015253 is a deficient number, since it is larger than the sum of its proper divisors (112375).

115015253 is a wasteful number, since it uses less digits than its factorization.

115015253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112374.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 115015253 is about 10724.5164459755. The cubic root of 115015253 is about 486.3159120102.

Adding to 115015253 its reverse (352510511), we get a palindrome (467525764).

The spelling of 115015253 in words is "one hundred fifteen million, fifteen thousand, two hundred fifty-three".