18789053 has 2 divisors, whose sum is σ = 18789054. Its totient is φ = 18789052.

The previous prime is 18789041. The next prime is 18789059. The reversal of 18789053 is 35098781.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12096484 + 6692569 = 3478^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 18789053 - 2⁸ = 18788797 is a prime.

It is a super-3 number, since 3×18789053³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18789053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18789059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9394526 + 9394527.

It is an arithmetic number, because the mean of its divisors is an integer number (9394527).

Almost surely, 2^18789053 is an apocalyptic number.

It is an amenable number.

18789053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18789053 is an equidigital number, since it uses as much as digits as its factorization.

18789053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 18789053 is about 4334.6341252752. The cubic root of 18789053 is about 265.8489588555.

The spelling of 18789053 in words is "eighteen million, seven hundred eighty-nine thousand, fifty-three".