18300125 has 16 divisors (see below), whose sum is σ = 22963824. Its totient is φ = 14560000.

The previous prime is 18300101. The next prime is 18300127. The reversal of 18300125 is 52100381.

It can be written as a sum of positive squares in 8 ways, for example, as 6280036 + 12020089 = 2506^2 + 3467^2 .

It is not a de Polignac number, because 18300125 - 2¹⁶ = 18234589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18300097 and 18300106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18300127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34865 + ... + 35385.

It is an arithmetic number, because the mean of its divisors is an integer number (1435239).

Almost surely, 2^18300125 is an apocalyptic number.

It is an amenable number.

18300125 is a deficient number, since it is larger than the sum of its proper divisors (4663699).

18300125 is an equidigital number, since it uses as much as digits as its factorization.

18300125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 18300125 is about 4277.8645373597. The cubic root of 18300125 is about 263.5226922308.

The spelling of 18300125 in words is "eighteen million, three hundred thousand, one hundred twenty-five".