18425050 has 48 divisors (see below), whose sum is σ = 39854592. Its totient is φ = 6206400.

The previous prime is 18425039. The next prime is 18425083. The reversal of 18425050 is 5052481.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20919 + ... + 21781.

It is an arithmetic number, because the mean of its divisors is an integer number (830304).

Almost surely, 2^18425050 is an apocalyptic number.

18425050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18425050 is an abundant number, since it is smaller than the sum of its proper divisors (21429542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18425050 is a wasteful number, since it uses less digits than its factorization.

18425050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 18425050 is about 4292.4410304627. The cubic root of 18425050 is about 264.1209749357.

The spelling of 18425050 in words is "eighteen million, four hundred twenty-five thousand, fifty".