85152329 has 2 divisors, whose sum is σ = 85152330. Its totient is φ = 85152328.

The previous prime is 85152311. The next prime is 85152343. The reversal of 85152329 is 92325158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55428025 + 29724304 = 7445^2 + 5452^2 .

It is a cyclic number.

It is not a de Polignac number, because 85152329 - 2⁸ = 85152073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85152029) 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, 42576164 + 42576165.

It is an arithmetic number, because the mean of its divisors is an integer number (42576165).

Almost surely, 2^85152329 is an apocalyptic number.

It is an amenable number.

85152329 is a deficient number, since it is larger than the sum of its proper divisors (1).

85152329 is an equidigital number, since it uses as much as digits as its factorization.

85152329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 85152329 is about 9227.8019592967. The cubic root of 85152329 is about 439.9454632819.

The spelling of 85152329 in words is "eighty-five million, one hundred fifty-two thousand, three hundred twenty-nine".