18119252 has 24 divisors (see below), whose sum is σ = 33438720. Its totient is φ = 8578080.

The previous prime is 18119251. The next prime is 18119261. The reversal of 18119252 is 25291181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18119251) 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 7 ways as a sum of consecutive naturals, for example, 4274 + ... + 7382.

It is an arithmetic number, because the mean of its divisors is an integer number (1393280).

Almost surely, 2^18119252 is an apocalyptic number.

It is an amenable number.

18119252 is a deficient number, since it is larger than the sum of its proper divisors (15319468).

18119252 is a wasteful number, since it uses less digits than its factorization.

18119252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191 (or 3189 counting only the distinct ones).

The product of its digits is 1440, while the sum is 29.

The square root of 18119252 is about 4256.6714695875. The cubic root of 18119252 is about 262.6516227595.

The spelling of 18119252 in words is "eighteen million, one hundred nineteen thousand, two hundred fifty-two".