84524317 has 4 divisors (see below), whose sum is σ = 86808796. Its totient is φ = 82239840.

The previous prime is 84524311. The next prime is 84524327. The reversal of 84524317 is 71342548.

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 49406841 + 35117476 = 7029^2 + 5926^2 .

It is a cyclic number.

It is not a de Polignac number, because 84524317 - 2¹⁵ = 84491549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84524311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142184 + ... + 1142257.

It is an arithmetic number, because the mean of its divisors is an integer number (21702199).

Almost surely, 2^84524317 is an apocalyptic number.

It is an amenable number.

84524317 is a deficient number, since it is larger than the sum of its proper divisors (2284479).

84524317 is a wasteful number, since it uses less digits than its factorization.

84524317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284478.

The product of its digits is 26880, while the sum is 34.

The square root of 84524317 is about 9193.7107307115. The cubic root of 84524317 is about 438.8612374776.

It can be divided in two parts, 8452 and 4317, that added together give a square (12769 = 113²).

The spelling of 84524317 in words is "eighty-four million, five hundred twenty-four thousand, three hundred seventeen".