84825305 has 4 divisors (see below), whose sum is σ = 101790372. Its totient is φ = 67860240.

The previous prime is 84825289. The next prime is 84825317. The reversal of 84825305 is 50352848.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16581184 + 68244121 = 4072^2 + 8261^2 .

It is not a de Polignac number, because 84825305 - 2⁴ = 84825289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8482526 + ... + 8482535.

It is an arithmetic number, because the mean of its divisors is an integer number (25447593).

Almost surely, 2^84825305 is an apocalyptic number.

It is an amenable number.

84825305 is a deficient number, since it is larger than the sum of its proper divisors (16965067).

84825305 is a wasteful number, since it uses less digits than its factorization.

84825305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16965066.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 84825305 is about 9210.0654177916. The cubic root of 84825305 is about 439.3815433049.

The spelling of 84825305 in words is "eighty-four million, eight hundred twenty-five thousand, three hundred five".