18434125 has 16 divisors (see below), whose sum is σ = 23278320. Its totient is φ = 14572800.

The previous prime is 18434113. The next prime is 18434153. The reversal of 18434125 is 52143481.

It can be written as a sum of positive squares in 8 ways, for example, as 10666756 + 7767369 = 3266^2 + 2787^2 .

It is not a de Polignac number, because 18434125 - 2⁵ = 18434093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18434093 and 18434102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10297 + ... + 11953.

It is an arithmetic number, because the mean of its divisors is an integer number (1454895).

Almost surely, 2^18434125 is an apocalyptic number.

It is an amenable number.

18434125 is a deficient number, since it is larger than the sum of its proper divisors (4844195).

18434125 is an equidigital number, since it uses as much as digits as its factorization.

18434125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1751 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 18434125 is about 4293.4979911489. The cubic root of 18434125 is about 264.1643308459.

The spelling of 18434125 in words is "eighteen million, four hundred thirty-four thousand, one hundred twenty-five".