18147053 has 2 divisors, whose sum is σ = 18147054. Its totient is φ = 18147052.

The previous prime is 18147001. The next prime is 18147089. The reversal of 18147053 is 35074181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15038884 + 3108169 = 3878^2 + 1763^2 .

It is a cyclic number.

It is not a de Polignac number, because 18147053 - 2⁸ = 18146797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18147853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9073526 + 9073527.

It is an arithmetic number, because the mean of its divisors is an integer number (9073527).

Almost surely, 2^18147053 is an apocalyptic number.

It is an amenable number.

18147053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18147053 is an equidigital number, since it uses as much as digits as its factorization.

18147053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 18147053 is about 4259.9357976383. The cubic root of 18147053 is about 262.7858859617.

The spelling of 18147053 in words is "eighteen million, one hundred forty-seven thousand, fifty-three".