83242189 has 2 divisors, whose sum is σ = 83242190. Its totient is φ = 83242188.

The previous prime is 83242163. The next prime is 83242219. The reversal of 83242189 is 98124238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83119689 + 122500 = 9117^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 83242189 - 2⁵ = 83242157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83242139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41621094 + 41621095.

It is an arithmetic number, because the mean of its divisors is an integer number (41621095).

Almost surely, 2^83242189 is an apocalyptic number.

It is an amenable number.

83242189 is a deficient number, since it is larger than the sum of its proper divisors (1).

83242189 is an equidigital number, since it uses as much as digits as its factorization.

83242189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The square root of 83242189 is about 9123.7157452433. The cubic root of 83242189 is about 436.6309304580.

The spelling of 83242189 in words is "eighty-three million, two hundred forty-two thousand, one hundred eighty-nine".