83825089 has 2 divisors, whose sum is σ = 83825090. Its totient is φ = 83825088.

The previous prime is 83825081. The next prime is 83825101. The reversal of 83825089 is 98052838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58018689 + 25806400 = 7617^2 + 5080^2 .

It is a cyclic number.

It is not a de Polignac number, because 83825089 - 2³ = 83825081 is a prime.

It is not a weakly prime, because it can be changed into another prime (83825081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41912544 + 41912545.

It is an arithmetic number, because the mean of its divisors is an integer number (41912545).

Almost surely, 2^83825089 is an apocalyptic number.

It is an amenable number.

83825089 is a deficient number, since it is larger than the sum of its proper divisors (1).

83825089 is an equidigital number, since it uses as much as digits as its factorization.

83825089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 83825089 is about 9155.6042400270. The cubic root of 83825089 is about 437.6477241554.

The spelling of 83825089 in words is "eighty-three million, eight hundred twenty-five thousand, eighty-nine".