84530429 has 2 divisors, whose sum is σ = 84530430. Its totient is φ = 84530428.

The previous prime is 84530419. The next prime is 84530489. The reversal of 84530429 is 92403548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47927929 + 36602500 = 6923^2 + 6050^2 .

It is a cyclic number.

It is not a de Polignac number, because 84530429 - 2¹⁶ = 84464893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84530419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42265214 + 42265215.

It is an arithmetic number, because the mean of its divisors is an integer number (42265215).

Almost surely, 2^84530429 is an apocalyptic number.

It is an amenable number.

84530429 is a deficient number, since it is larger than the sum of its proper divisors (1).

84530429 is an equidigital number, since it uses as much as digits as its factorization.

84530429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 84530429 is about 9194.0431258506. The cubic root of 84530429 is about 438.8718153221.

The spelling of 84530429 in words is "eighty-four million, five hundred thirty thousand, four hundred twenty-nine".