108081025 has 48 divisors (see below), whose sum is σ = 158739840. Its totient is φ = 72230400.

The previous prime is 108081013. The next prime is 108081031. The reversal of 108081025 is 520180801.

108081025 = 446² + 447² + ... + 744².

It is not a de Polignac number, because 108081025 - 2⁵ = 108080993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141645 + ... + 142405.

It is an arithmetic number, because the mean of its divisors is an integer number (3307080).

Almost surely, 2^108081025 is an apocalyptic number.

It is an amenable number.

108081025 is a deficient number, since it is larger than the sum of its proper divisors (50658815).

108081025 is a wasteful number, since it uses less digits than its factorization.

108081025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 108081025 is about 10396.2024316574. The cubic root of 108081025 is about 476.3393776450.

The spelling of 108081025 in words is "one hundred eight million, eighty-one thousand, twenty-five".