18858053 has 2 divisors, whose sum is σ = 18858054. Its totient is φ = 18858052.

The previous prime is 18858043. The next prime is 18858113. The reversal of 18858053 is 35085881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9628609 + 9229444 = 3103^2 + 3038^2 .

It is a cyclic number.

It is not a de Polignac number, because 18858053 - 2⁶ = 18857989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18857998 and 18858016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18858023) 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 as a sum of consecutive naturals, namely, 9429026 + 9429027.

It is an arithmetic number, because the mean of its divisors is an integer number (9429027).

Almost surely, 2^18858053 is an apocalyptic number.

It is an amenable number.

18858053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18858053 is an equidigital number, since it uses as much as digits as its factorization.

18858053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 18858053 is about 4342.5859807262. The cubic root of 18858053 is about 266.1739915429.

The spelling of 18858053 in words is "eighteen million, eight hundred fifty-eight thousand, fifty-three".