18082741 has 2 divisors, whose sum is σ = 18082742. Its totient is φ = 18082740.

The previous prime is 18082739. The next prime is 18082769. The reversal of 18082741 is 14728081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17514225 + 568516 = 4185^2 + 754^2 .

It is a cyclic number.

It is not a de Polignac number, because 18082741 - 2¹ = 18082739 is a prime.

Together with 18082739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18082711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9041370 + 9041371.

It is an arithmetic number, because the mean of its divisors is an integer number (9041371).

Almost surely, 2^18082741 is an apocalyptic number.

It is an amenable number.

18082741 is a deficient number, since it is larger than the sum of its proper divisors (1).

18082741 is an equidigital number, since it uses as much as digits as its factorization.

18082741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 18082741 is about 4252.3806273663. The cubic root of 18082741 is about 262.4750863733.

The spelling of 18082741 in words is "eighteen million, eighty-two thousand, seven hundred forty-one".