113508285 has 24 divisors (see below), whose sum is σ = 199627680. Its totient is φ = 55033440.

The previous prime is 113508277. The next prime is 113508287. The reversal of 113508285 is 582805311.

It is a happy number.

It is not a de Polignac number, because 113508285 - 2³ = 113508277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113508287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29455 + ... + 33084.

It is an arithmetic number, because the mean of its divisors is an integer number (8317820).

Almost surely, 2^113508285 is an apocalyptic number.

113508285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113508285 is a deficient number, since it is larger than the sum of its proper divisors (86119395).

113508285 is a wasteful number, since it uses less digits than its factorization.

113508285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62569 (or 62558 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 113508285 is about 10654.0267035520. The cubic root of 113508285 is about 484.1826101570.

The spelling of 113508285 in words is "one hundred thirteen million, five hundred eight thousand, two hundred eighty-five".