84112529 has 2 divisors, whose sum is σ = 84112530. Its totient is φ = 84112528.

The previous prime is 84112489. The next prime is 84112543. The reversal of 84112529 is 92521148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78730129 + 5382400 = 8873^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 84112529 - 2¹⁶ = 84046993 is a prime.

It is a Chen prime.

It is equal to p_4895213 and since 84112529 and 4895213 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 84112495 and 84112504.

It is not a weakly prime, because it can be changed into another prime (84112129) 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 as a sum of consecutive naturals, namely, 42056264 + 42056265.

It is an arithmetic number, because the mean of its divisors is an integer number (42056265).

Almost surely, 2^84112529 is an apocalyptic number.

It is an amenable number.

84112529 is a deficient number, since it is larger than the sum of its proper divisors (1).

84112529 is an equidigital number, since it uses as much as digits as its factorization.

84112529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 32.

The square root of 84112529 is about 9171.2882955450. The cubic root of 84112529 is about 438.1473913721.

The spelling of 84112529 in words is "eighty-four million, one hundred twelve thousand, five hundred twenty-nine".