18754825 has 12 divisors (see below), whose sum is σ = 24624540. Its totient is φ = 14120960.

The previous prime is 18754817. The next prime is 18754829. The reversal of 18754825 is 52845781.

It can be written as a sum of positive squares in 6 ways, for example, as 2368521 + 16386304 = 1539^2 + 4048^2 .

It is not a de Polignac number, because 18754825 - 2³ = 18754817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18754829) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 21640 + ... + 22489.

It is an arithmetic number, because the mean of its divisors is an integer number (2052045).

Almost surely, 2^18754825 is an apocalyptic number.

It is an amenable number.

18754825 is a deficient number, since it is larger than the sum of its proper divisors (5869715).

18754825 is a wasteful number, since it uses less digits than its factorization.

18754825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44156 (or 44151 counting only the distinct ones).

The product of its digits is 89600, while the sum is 40.

The square root of 18754825 is about 4330.6841260937. The cubic root of 18754825 is about 265.6874284639.

The spelling of 18754825 in words is "eighteen million, seven hundred fifty-four thousand, eight hundred twenty-five".