83066551 has 2 divisors, whose sum is σ = 83066552. Its totient is φ = 83066550.

The previous prime is 83066507. The next prime is 83066569. The reversal of 83066551 is 15566038.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83066551 - 2¹¹ = 83064503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83066351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41533275 + 41533276.

It is an arithmetic number, because the mean of its divisors is an integer number (41533276).

Almost surely, 2^83066551 is an apocalyptic number.

83066551 is a deficient number, since it is larger than the sum of its proper divisors (1).

83066551 is an equidigital number, since it uses as much as digits as its factorization.

83066551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 83066551 is about 9114.0853079176. The cubic root of 83066551 is about 436.3236224107.

The spelling of 83066551 in words is "eighty-three million, sixty-six thousand, five hundred fifty-one".