82281041 has 2 divisors, whose sum is σ = 82281042. Its totient is φ = 82281040.

The previous prime is 82281019. The next prime is 82281047. The reversal of 82281041 is 14018228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43890625 + 38390416 = 6625^2 + 6196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82281041 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82281041.

It is not a weakly prime, because it can be changed into another prime (82281047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41140520 + 41140521.

It is an arithmetic number, because the mean of its divisors is an integer number (41140521).

Almost surely, 2^82281041 is an apocalyptic number.

It is an amenable number.

82281041 is a deficient number, since it is larger than the sum of its proper divisors (1).

82281041 is an equidigital number, since it uses as much as digits as its factorization.

82281041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 82281041 is about 9070.8897579014. The cubic root of 82281041 is about 434.9439149077.

Adding to 82281041 its reverse (14018228), we get a palindrome (96299269).

The spelling of 82281041 in words is "eighty-two million, two hundred eighty-one thousand, forty-one".