84530255 has 4 divisors (see below), whose sum is σ = 101436312. Its totient is φ = 67624200.

The previous prime is 84530249. The next prime is 84530261. The reversal of 84530255 is 55203548.

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

It is an interprime number because it is at equal distance from previous prime (84530249) and next prime (84530261).

It is not a de Polignac number, because 84530255 - 2⁶ = 84530191 is a prime.

It is a Duffinian number.

It is a congruent 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, 8453021 + ... + 8453030.

It is an arithmetic number, because the mean of its divisors is an integer number (25359078).

Almost surely, 2^84530255 is an apocalyptic number.

84530255 is a deficient number, since it is larger than the sum of its proper divisors (16906057).

84530255 is a wasteful number, since it uses less digits than its factorization.

84530255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16906056.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 84530255 is about 9194.0336631970. The cubic root of 84530255 is about 438.8715141929.

The spelling of 84530255 in words is "eighty-four million, five hundred thirty thousand, two hundred fifty-five".