83089231 has 2 divisors, whose sum is σ = 83089232. Its totient is φ = 83089230.

The previous prime is 83089219. The next prime is 83089249. The reversal of 83089231 is 13298038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83089231 - 2¹¹ = 83087183 is a prime.

It is a super-2 number, since 2×83089231² = 13807640616342722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83059231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41544615 + 41544616.

It is an arithmetic number, because the mean of its divisors is an integer number (41544616).

Almost surely, 2^83089231 is an apocalyptic number.

83089231 is a deficient number, since it is larger than the sum of its proper divisors (1).

83089231 is an equidigital number, since it uses as much as digits as its factorization.

83089231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 83089231 is about 9115.3294509853. The cubic root of 83089231 is about 436.3633292046.

The spelling of 83089231 in words is "eighty-three million, eighty-nine thousand, two hundred thirty-one".