18102053 has 2 divisors, whose sum is σ = 18102054. Its totient is φ = 18102052.

The previous prime is 18102037. The next prime is 18102083. The reversal of 18102053 is 35020181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17833729 + 268324 = 4223^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 18102053 - 2⁴ = 18102037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18102013) 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, 9051026 + 9051027.

It is an arithmetic number, because the mean of its divisors is an integer number (9051027).

Almost surely, 2^18102053 is an apocalyptic number.

It is an amenable number.

18102053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18102053 is an equidigital number, since it uses as much as digits as its factorization.

18102053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 18102053 is about 4254.6507494740. The cubic root of 18102053 is about 262.5684924824.

The spelling of 18102053 in words is "eighteen million, one hundred two thousand, fifty-three".