84061825 has 6 divisors (see below), whose sum is σ = 104236694. Its totient is φ = 67249440.

The previous prime is 84061823. The next prime is 84061829. The reversal of 84061825 is 52816048.

It can be written as a sum of positive squares in 3 ways, for example, as 4566769 + 79495056 = 2137^2 + 8916^2 .

It is not a de Polignac number, because 84061825 - 2¹ = 84061823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84061823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1681212 + ... + 1681261.

Almost surely, 2^84061825 is an apocalyptic number.

It is an amenable number.

84061825 is a deficient number, since it is larger than the sum of its proper divisors (20174869).

84061825 is a wasteful number, since it uses less digits than its factorization.

84061825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362483 (or 3362478 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 84061825 is about 9168.5235997951. The cubic root of 84061825 is about 438.0593335799.

The spelling of 84061825 in words is "eighty-four million, sixty-one thousand, eight hundred twenty-five".