84313529 has 4 divisors (see below), whose sum is σ = 85695780. Its totient is φ = 82931280.

The previous prime is 84313519. The next prime is 84313531. The reversal of 84313529 is 92531348.

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 38440000 + 45873529 = 6200^2 + 6773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84313529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84313519) 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, 691034 + ... + 691155.

It is an arithmetic number, because the mean of its divisors is an integer number (21423945).

Almost surely, 2^84313529 is an apocalyptic number.

It is an amenable number.

84313529 is a deficient number, since it is larger than the sum of its proper divisors (1382251).

84313529 is a wasteful number, since it uses less digits than its factorization.

84313529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382250.

The product of its digits is 25920, while the sum is 35.

The square root of 84313529 is about 9182.2398683546. The cubic root of 84313529 is about 438.4961209025.

The spelling of 84313529 in words is "eighty-four million, three hundred thirteen thousand, five hundred twenty-nine".