83385331 has 2 divisors, whose sum is σ = 83385332. Its totient is φ = 83385330.

The previous prime is 83385287. The next prime is 83385343. The reversal of 83385331 is 13358338.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83385331 - 2²⁵ = 49830899 is a prime.

It is a super-2 number, since 2×83385331² = 13906226851959122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83385361) 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, 41692665 + 41692666.

It is an arithmetic number, because the mean of its divisors is an integer number (41692666).

Almost surely, 2^83385331 is an apocalyptic number.

83385331 is a deficient number, since it is larger than the sum of its proper divisors (1).

83385331 is an equidigital number, since it uses as much as digits as its factorization.

83385331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 83385331 is about 9131.5568771158. The cubic root of 83385331 is about 436.8810617707.

The spelling of 83385331 in words is "eighty-three million, three hundred eighty-five thousand, three hundred thirty-one".