18282925 has 12 divisors (see below), whose sum is σ = 23225076. Its totient is φ = 14268800.

The previous prime is 18282917. The next prime is 18282931. The reversal of 18282925 is 52928281.

It can be written as a sum of positive squares in 6 ways, for example, as 927369 + 17355556 = 963^2 + 4166^2 .

It is not a de Polignac number, because 18282925 - 2³ = 18282917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7894 + ... + 9943.

It is an arithmetic number, because the mean of its divisors is an integer number (1935423).

Almost surely, 2^18282925 is an apocalyptic number.

It is an amenable number.

18282925 is a deficient number, since it is larger than the sum of its proper divisors (4942151).

18282925 is a wasteful number, since it uses less digits than its factorization.

18282925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17888 (or 17883 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 18282925 is about 4275.8537159262. The cubic root of 18282925 is about 263.4401060721.

It can be divided in two parts, 1828 and 2925, that added together give a triangular number (4753 = T₉₇).

The spelling of 18282925 in words is "eighteen million, two hundred eighty-two thousand, nine hundred twenty-five".