18282941 has 2 divisors, whose sum is σ = 18282942. Its totient is φ = 18282940.

The previous prime is 18282931. The next prime is 18282947. The reversal of 18282941 is 14928281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16240900 + 2042041 = 4030^2 + 1429^2 .

It is a cyclic number.

It is not a de Polignac number, because 18282941 - 2⁶ = 18282877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18282947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9141470 + 9141471.

It is an arithmetic number, because the mean of its divisors is an integer number (9141471).

Almost surely, 2^18282941 is an apocalyptic number.

It is an amenable number.

18282941 is a deficient number, since it is larger than the sum of its proper divisors (1).

18282941 is an equidigital number, since it uses as much as digits as its factorization.

18282941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 35.

The square root of 18282941 is about 4275.8555868972. The cubic root of 18282941 is about 263.4401829205.

The spelling of 18282941 in words is "eighteen million, two hundred eighty-two thousand, nine hundred forty-one".