108520541 has 4 divisors (see below), whose sum is σ = 109120284. Its totient is φ = 107920800.

The previous prime is 108520501. The next prime is 108520549. The reversal of 108520541 is 145025801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16168441 + 92352100 = 4021^2 + 9610^2 .

It is a cyclic number.

It is not a de Polignac number, because 108520541 - 2²² = 104326237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108520541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108520549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299600 + ... + 299961.

It is an arithmetic number, because the mean of its divisors is an integer number (27280071).

Almost surely, 2^108520541 is an apocalyptic number.

It is an amenable number.

108520541 is a deficient number, since it is larger than the sum of its proper divisors (599743).

108520541 is an equidigital number, since it uses as much as digits as its factorization.

108520541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599742.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 108520541 is about 10417.3192808899. The cubic root of 108520541 is about 476.9841890371.

The spelling of 108520541 in words is "one hundred eight million, five hundred twenty thousand, five hundred forty-one".