18900053 has 2 divisors, whose sum is σ = 18900054. Its totient is φ = 18900052.

The previous prime is 18899999. The next prime is 18900059. The reversal of 18900053 is 35000981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18852964 + 47089 = 4342^2 + 217^2 .

It is an emirp because it is prime and its reverse (35000981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18900053 - 2⁶ = 18899989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18899995 and 18900031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18900059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9450026 + 9450027.

It is an arithmetic number, because the mean of its divisors is an integer number (9450027).

Almost surely, 2^18900053 is an apocalyptic number.

It is an amenable number.

18900053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18900053 is an equidigital number, since it uses as much as digits as its factorization.

18900053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 18900053 is about 4347.4191194317. The cubic root of 18900053 is about 266.3714495115.

The spelling of 18900053 in words is "eighteen million, nine hundred thousand, fifty-three".