83217019 has 2 divisors, whose sum is σ = 83217020. Its totient is φ = 83217018.

The previous prime is 83217011. The next prime is 83217053. The reversal of 83217019 is 91071238.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83217019 - 2³ = 83217011 is a prime.

It is a super-2 number, since 2×83217019² = 13850144502492722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83217011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41608509 + 41608510.

It is an arithmetic number, because the mean of its divisors is an integer number (41608510).

Almost surely, 2^83217019 is an apocalyptic number.

83217019 is a deficient number, since it is larger than the sum of its proper divisors (1).

83217019 is an equidigital number, since it uses as much as digits as its factorization.

83217019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 83217019 is about 9122.3362687417. The cubic root of 83217019 is about 436.5869178865.

The spelling of 83217019 in words is "eighty-three million, two hundred seventeen thousand, nineteen".