83225281 has 2 divisors, whose sum is σ = 83225282. Its totient is φ = 83225280.

The previous prime is 83225239. The next prime is 83225299. The reversal of 83225281 is 18252238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70408881 + 12816400 = 8391^2 + 3580^2 .

It is a cyclic number.

It is not a de Polignac number, because 83225281 - 2¹¹ = 83223233 is a prime.

It is a super-2 number, since 2×83225281² = 13852894795057922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83225231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41612640 + 41612641.

It is an arithmetic number, because the mean of its divisors is an integer number (41612641).

Almost surely, 2^83225281 is an apocalyptic number.

It is an amenable number.

83225281 is a deficient number, since it is larger than the sum of its proper divisors (1).

83225281 is an equidigital number, since it uses as much as digits as its factorization.

83225281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 31.

The square root of 83225281 is about 9122.7891020236. The cubic root of 83225281 is about 436.6013658996.

The spelling of 83225281 in words is "eighty-three million, two hundred twenty-five thousand, two hundred eighty-one".