18080925 has 12 divisors (see below), whose sum is σ = 29893920. Its totient is φ = 9643120.

The previous prime is 18080903. The next prime is 18080939. The reversal of 18080925 is 52908081.

It is a happy number.

It is not a de Polignac number, because 18080925 - 2⁶ = 18080861 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 120465 + ... + 120614.

It is an arithmetic number, because the mean of its divisors is an integer number (2491160).

Almost surely, 2^18080925 is an apocalyptic number.

18080925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18080925 is a deficient number, since it is larger than the sum of its proper divisors (11812995).

18080925 is a wasteful number, since it uses less digits than its factorization.

18080925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241092 (or 241087 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 18080925 is about 4252.1670945531. The cubic root of 18080925 is about 262.4662995285.

The spelling of 18080925 in words is "eighteen million, eighty thousand, nine hundred twenty-five".