18350125 has 8 divisors (see below), whose sum is σ = 22901112. Its totient is φ = 14680000.

The previous prime is 18350119. The next prime is 18350131. The reversal of 18350125 is 52105381.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18350119) and next prime (18350131).

It can be written as a sum of positive squares in 4 ways, for example, as 48841 + 18301284 = 221^2 + 4278^2 .

It is not a de Polignac number, because 18350125 - 2³ = 18350117 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18350125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73276 + ... + 73525.

It is an arithmetic number, because the mean of its divisors is an integer number (2862639).

Almost surely, 2^18350125 is an apocalyptic number.

It is an amenable number.

18350125 is a deficient number, since it is larger than the sum of its proper divisors (4550987).

18350125 is an equidigital number, since it uses as much as digits as its factorization.

18350125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146816 (or 146806 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 18350125 is about 4283.7045883207. The cubic root of 18350125 is about 263.7624747961.

The spelling of 18350125 in words is "eighteen million, three hundred fifty thousand, one hundred twenty-five".