108209252 has 24 divisors (see below), whose sum is σ = 194689656. Its totient is φ = 52602368.

The previous prime is 108209243. The next prime is 108209261. The reversal of 108209252 is 252902801.

It is an interprime number because it is at equal distance from previous prime (108209243) and next prime (108209261).

It can be written as a sum of positive squares in 4 ways, for example, as 3474496 + 104734756 = 1864^2 + 10234^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21698 + ... + 26214.

It is an arithmetic number, because the mean of its divisors is an integer number (8112069).

Almost surely, 2^108209252 is an apocalyptic number.

It is an amenable number.

108209252 is a deficient number, since it is larger than the sum of its proper divisors (86480404).

108209252 is a wasteful number, since it uses less digits than its factorization.

108209252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4685 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 108209252 is about 10402.3676151153. The cubic root of 108209252 is about 476.5276790618.

The spelling of 108209252 in words is "one hundred eight million, two hundred nine thousand, two hundred fifty-two".