85574317 has 2 divisors, whose sum is σ = 85574318. Its totient is φ = 85574316.

The previous prime is 85574297. The next prime is 85574381. The reversal of 85574317 is 71347558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56640676 + 28933641 = 7526^2 + 5379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85574317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85574317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85574417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42787158 + 42787159.

It is an arithmetic number, because the mean of its divisors is an integer number (42787159).

Almost surely, 2^85574317 is an apocalyptic number.

It is an amenable number.

85574317 is a deficient number, since it is larger than the sum of its proper divisors (1).

85574317 is an equidigital number, since it uses as much as digits as its factorization.

85574317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 40.

The square root of 85574317 is about 9250.6387347037. The cubic root of 85574317 is about 440.6710095778.

The spelling of 85574317 in words is "eighty-five million, five hundred seventy-four thousand, three hundred seventeen".