18342925 has 24 divisors (see below), whose sum is σ = 23677056. Its totient is φ = 14087040.

The previous prime is 18342899. The next prime is 18342941. The reversal of 18342925 is 52924381.

It is not a de Polignac number, because 18342925 - 2⁵ = 18342893 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 23 ways as a sum of consecutive naturals, for example, 78609 + ... + 78841.

It is an arithmetic number, because the mean of its divisors is an integer number (986544).

Almost surely, 2^18342925 is an apocalyptic number.

It is an amenable number.

18342925 is a deficient number, since it is larger than the sum of its proper divisors (5334131).

18342925 is a wasteful number, since it uses less digits than its factorization.

18342925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 352 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 18342925 is about 4282.8641117831. The cubic root of 18342925 is about 263.7279729739.

It can be divided in two parts, 1834 and 2925, that multiplied together give a triangular number (5364450 = T₃₂₇₅).

The spelling of 18342925 in words is "eighteen million, three hundred forty-two thousand, nine hundred twenty-five".