84530529 has 6 divisors (see below), whose sum is σ = 122099666. Its totient is φ = 56353680.

The previous prime is 84530513. The next prime is 84530587. The reversal of 84530529 is 92503548.

84530529 is a `hidden beast` number, since 84 + 53 + 0 + 529 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55532304 + 28998225 = 7452^2 + 5385^2 .

It is not a de Polignac number, because 84530529 - 2⁴ = 84530513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84530493 and 84530502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84530599) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4696132 + ... + 4696149.

Almost surely, 2^84530529 is an apocalyptic number.

It is an amenable number.

84530529 is a deficient number, since it is larger than the sum of its proper divisors (37569137).

84530529 is a wasteful number, since it uses less digits than its factorization.

84530529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9392287 (or 9392284 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 84530529 is about 9194.0485641528. The cubic root of 84530529 is about 438.8719883847.

The spelling of 84530529 in words is "eighty-four million, five hundred thirty thousand, five hundred twenty-nine".