108552181 has 2 divisors, whose sum is σ = 108552182. Its totient is φ = 108552180.

The previous prime is 108552179. The next prime is 108552193. The reversal of 108552181 is 181255801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91987281 + 16564900 = 9591^2 + 4070^2 .

It is a cyclic number.

It is not a de Polignac number, because 108552181 - 2¹ = 108552179 is a prime.

It is a super-2 number, since 2×108552181² = 23567151999713522, which contains 22 as substring.

Together with 108552179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108552121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54276090 + 54276091.

It is an arithmetic number, because the mean of its divisors is an integer number (54276091).

Almost surely, 2^108552181 is an apocalyptic number.

It is an amenable number.

108552181 is a deficient number, since it is larger than the sum of its proper divisors (1).

108552181 is an equidigital number, since it uses as much as digits as its factorization.

108552181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 108552181 is about 10418.8377950710. The cubic root of 108552181 is about 477.0305406713.

The spelling of 108552181 in words is "one hundred eight million, five hundred fifty-two thousand, one hundred eighty-one".