18375053 has 2 divisors, whose sum is σ = 18375054. Its totient is φ = 18375052.

The previous prime is 18374987. The next prime is 18375059. The reversal of 18375053 is 35057381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17330569 + 1044484 = 4163^2 + 1022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18375053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18375059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9187526 + 9187527.

It is an arithmetic number, because the mean of its divisors is an integer number (9187527).

Almost surely, 2^18375053 is an apocalyptic number.

It is an amenable number.

18375053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18375053 is an equidigital number, since it uses as much as digits as its factorization.

18375053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 18375053 is about 4286.6132319116. The cubic root of 18375053 is about 263.8818581043.

The spelling of 18375053 in words is "eighteen million, three hundred seventy-five thousand, fifty-three".