108581525 has 24 divisors (see below), whose sum is σ = 147402024. Its totient is φ = 78854400.

The previous prime is 108581497. The next prime is 108581527. The reversal of 108581525 is 525185801.

It can be written as a sum of positive squares in 12 ways, for example, as 40056241 + 68525284 = 6329^2 + 8278^2 .

It is not a de Polignac number, because 108581525 - 2⁸ = 108581269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108581527) 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, 17087 + ... + 22563.

It is an arithmetic number, because the mean of its divisors is an integer number (6141751).

Almost surely, 2^108581525 is an apocalyptic number.

It is an amenable number.

108581525 is a deficient number, since it is larger than the sum of its proper divisors (38820499).

108581525 is a wasteful number, since it uses less digits than its factorization.

108581525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561 (or 5556 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 35.

The square root of 108581525 is about 10420.2459184033. The cubic root of 108581525 is about 477.0735206862.

The spelling of 108581525 in words is "one hundred eight million, five hundred eighty-one thousand, five hundred twenty-five".