18345083 has 2 divisors, whose sum is σ = 18345084. Its totient is φ = 18345082.

The previous prime is 18345071. The next prime is 18345097. The reversal of 18345083 is 38054381.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18345083 is a prime.

It is not a weakly prime, because it can be changed into another prime (18345683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9172541 + 9172542.

It is an arithmetic number, because the mean of its divisors is an integer number (9172542).

Almost surely, 2^18345083 is an apocalyptic number.

18345083 is a deficient number, since it is larger than the sum of its proper divisors (1).

18345083 is an equidigital number, since it uses as much as digits as its factorization.

18345083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 18345083 is about 4283.1160385869. The cubic root of 18345083 is about 263.7383148840.

The spelling of 18345083 in words is "eighteen million, three hundred forty-five thousand, eighty-three".