84522513 has 4 divisors (see below), whose sum is σ = 112696688. Its totient is φ = 56348340.

The previous prime is 84522481. The next prime is 84522527. The reversal of 84522513 is 31522548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 84522513 - 2⁵ = 84522481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84522313) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14087083 + ... + 14087088.

It is an arithmetic number, because the mean of its divisors is an integer number (28174172).

Almost surely, 2^84522513 is an apocalyptic number.

It is an amenable number.

84522513 is a deficient number, since it is larger than the sum of its proper divisors (28174175).

84522513 is a wasteful number, since it uses less digits than its factorization.

84522513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28174174.

The product of its digits is 9600, while the sum is 30.

The square root of 84522513 is about 9193.6126196398. The cubic root of 84522513 is about 438.8581152546.

The spelling of 84522513 in words is "eighty-four million, five hundred twenty-two thousand, five hundred thirteen".