83432009 has 2 divisors, whose sum is σ = 83432010. Its totient is φ = 83432008.

The previous prime is 83431993. The next prime is 83432033. The reversal of 83432009 is 90023438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42510400 + 40921609 = 6520^2 + 6397^2 .

It is a cyclic number.

It is not a de Polignac number, because 83432009 - 2⁴ = 83431993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83432309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41716004 + 41716005.

It is an arithmetic number, because the mean of its divisors is an integer number (41716005).

Almost surely, 2^83432009 is an apocalyptic number.

It is an amenable number.

83432009 is a deficient number, since it is larger than the sum of its proper divisors (1).

83432009 is an equidigital number, since it uses as much as digits as its factorization.

83432009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 83432009 is about 9134.1123816165. The cubic root of 83432009 is about 436.9625666347.

The spelling of 83432009 in words is "eighty-three million, four hundred thirty-two thousand, nine".