115533252 has 18 divisors (see below), whose sum is σ = 292042478. Its totient is φ = 38511072.

The previous prime is 115533251. The next prime is 115533293. The reversal of 115533252 is 252335511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 99082116 + 16451136 = 9954^2 + 4056^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 1604593 + ... + 1604664.

Almost surely, 2^115533252 is an apocalyptic number.

115533252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115533252 is an abundant number, since it is smaller than the sum of its proper divisors (176509226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115533252 is a wasteful number, since it uses less digits than its factorization.

115533252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209267 (or 3209262 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 115533252 is about 10748.6395418211. The cubic root of 115533252 is about 487.0448991431.

Adding to 115533252 its reverse (252335511), we get a palindrome (367868763).

The spelling of 115533252 in words is "one hundred fifteen million, five hundred thirty-three thousand, two hundred fifty-two".