18034193 has 2 divisors, whose sum is σ = 18034194. Its totient is φ = 18034192.

The previous prime is 18034187. The next prime is 18034217. The reversal of 18034193 is 39143081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15745024 + 2289169 = 3968^2 + 1513^2 .

It is a cyclic number.

It is not a de Polignac number, because 18034193 - 2⁶ = 18034129 is a prime.

It is a super-2 number, since 2×18034193² = 650464234322498, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (18034103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9017096 + 9017097.

It is an arithmetic number, because the mean of its divisors is an integer number (9017097).

Almost surely, 2^18034193 is an apocalyptic number.

It is an amenable number.

18034193 is a deficient number, since it is larger than the sum of its proper divisors (1).

18034193 is an equidigital number, since it uses as much as digits as its factorization.

18034193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 18034193 is about 4246.6684589217. The cubic root of 18034193 is about 262.2399807695.

The spelling of 18034193 in words is "eighteen million, thirty-four thousand, one hundred ninety-three".