115533253 has 4 divisors (see below), whose sum is σ = 126036288. Its totient is φ = 105030220.

The previous prime is 115533251. The next prime is 115533293. The reversal of 115533253 is 352335511.

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: 352335511 = 11 ⋅32030501.

It is a cyclic number.

It is not a de Polignac number, because 115533253 - 2¹ = 115533251 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 (115533251) 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, 5251501 + ... + 5251522.

It is an arithmetic number, because the mean of its divisors is an integer number (31509072).

Almost surely, 2^115533253 is an apocalyptic number.

It is an amenable number.

115533253 is a deficient number, since it is larger than the sum of its proper divisors (10503035).

115533253 is a wasteful number, since it uses less digits than its factorization.

115533253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10503034.

The product of its digits is 6750, while the sum is 28.

The square root of 115533253 is about 10748.6395883386. The cubic root of 115533253 is about 487.0449005483.

Adding to 115533253 its reverse (352335511), we get a palindrome (467868764).

The spelling of 115533253 in words is "one hundred fifteen million, five hundred thirty-three thousand, two hundred fifty-three".