18486053 has 2 divisors, whose sum is σ = 18486054. Its totient is φ = 18486052.

The previous prime is 18486011. The next prime is 18486077. The reversal of 18486053 is 35068481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15737089 + 2748964 = 3967^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 18486053 - 2¹⁶ = 18420517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18486353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9243026 + 9243027.

It is an arithmetic number, because the mean of its divisors is an integer number (9243027).

Almost surely, 2^18486053 is an apocalyptic number.

It is an amenable number.

18486053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18486053 is an equidigital number, since it uses as much as digits as its factorization.

18486053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 18486053 is about 4299.5410220162. The cubic root of 18486053 is about 264.4121441625.

The spelling of 18486053 in words is "eighteen million, four hundred eighty-six thousand, fifty-three".