115253532 has 18 divisors (see below), whose sum is σ = 291335408. Its totient is φ = 38417832.

The previous prime is 115253507. The next prime is 115253533. The reversal of 115253532 is 235352511.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 115253496 and 115253505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115253533) 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, 1600708 + ... + 1600779.

Almost surely, 2^115253532 is an apocalyptic number.

115253532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115253532 is an abundant number, since it is smaller than the sum of its proper divisors (176081876).

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

115253532 is a wasteful number, since it uses less digits than its factorization.

115253532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201497 (or 3201492 counting only the distinct ones).

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

The square root of 115253532 is about 10735.6197771717. The cubic root of 115253532 is about 486.6515165943.

The spelling of 115253532 in words is "one hundred fifteen million, two hundred fifty-three thousand, five hundred thirty-two".