83058509 has 2 divisors, whose sum is σ = 83058510. Its totient is φ = 83058508.

The previous prime is 83058487. The next prime is 83058527. The reversal of 83058509 is 90585038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82537225 + 521284 = 9085^2 + 722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83058509 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83058559) 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, 41529254 + 41529255.

It is an arithmetic number, because the mean of its divisors is an integer number (41529255).

Almost surely, 2^83058509 is an apocalyptic number.

It is an amenable number.

83058509 is a deficient number, since it is larger than the sum of its proper divisors (1).

83058509 is an equidigital number, since it uses as much as digits as its factorization.

83058509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 83058509 is about 9113.6441119895. The cubic root of 83058509 is about 436.3095412201.

The spelling of 83058509 in words is "eighty-three million, fifty-eight thousand, five hundred nine".