84522505 has 8 divisors (see below), whose sum is σ = 101735424. Its totient is φ = 67412400.

The previous prime is 84522481. The next prime is 84522527. The reversal of 84522505 is 50522548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84522505 - 2⁷ = 84522377 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23881 + ... + 27190.

It is an arithmetic number, because the mean of its divisors is an integer number (12716928).

Almost surely, 2^84522505 is an apocalyptic number.

It is an amenable number.

84522505 is a deficient number, since it is larger than the sum of its proper divisors (17212919).

84522505 is a wasteful number, since it uses less digits than its factorization.

84522505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51407.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 84522505 is about 9193.6121845551. The cubic root of 84522505 is about 438.8581014087.

The spelling of 84522505 in words is "eighty-four million, five hundred twenty-two thousand, five hundred five".