18825795 has 12 divisors (see below), whose sum is σ = 32631456. Its totient is φ = 10040400.

The previous prime is 18825769. The next prime is 18825797. The reversal of 18825795 is 59752881.

It is a happy number.

It is not a de Polignac number, because 18825795 - 2⁸ = 18825539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 418351 = 18825795 / (1 + 8 + 8 + 2 + 5 + 7 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 18825795.

It is not an unprimeable number, because it can be changed into a prime (18825797) 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, 209131 + ... + 209220.

It is an arithmetic number, because the mean of its divisors is an integer number (2719288).

Almost surely, 2^18825795 is an apocalyptic number.

18825795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18825795 is a deficient number, since it is larger than the sum of its proper divisors (13805661).

18825795 is a wasteful number, since it uses less digits than its factorization.

18825795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418362 (or 418359 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 18825795 is about 4338.8702446605. The cubic root of 18825795 is about 266.0221352676.

The spelling of 18825795 in words is "eighteen million, eight hundred twenty-five thousand, seven hundred ninety-five".