108993725 has 6 divisors (see below), whose sum is σ = 135152250. Its totient is φ = 87194960.

The previous prime is 108993713. The next prime is 108993739. The reversal of 108993725 is 527399801.

It can be written as a sum of positive squares in 3 ways, for example, as 1207801 + 107785924 = 1099^2 + 10382^2 .

It is not a de Polignac number, because 108993725 - 2¹⁶ = 108928189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2179850 + ... + 2179899.

It is an arithmetic number, because the mean of its divisors is an integer number (22525375).

Almost surely, 2^108993725 is an apocalyptic number.

It is an amenable number.

108993725 is a deficient number, since it is larger than the sum of its proper divisors (26158525).

108993725 is an equidigital number, since it uses as much as digits as its factorization.

108993725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359759 (or 4359754 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 108993725 is about 10440.0059865883. The cubic root of 108993725 is about 477.6764513305.

The spelling of 108993725 in words is "one hundred eight million, nine hundred ninety-three thousand, seven hundred twenty-five".