85284373 has 2 divisors, whose sum is σ = 85284374. Its totient is φ = 85284372.

The previous prime is 85284349. The next prime is 85284401. The reversal of 85284373 is 37348258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84768849 + 515524 = 9207^2 + 718^2 .

It is a cyclic number.

It is not a de Polignac number, because 85284373 - 2⁵ = 85284341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85284313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42642186 + 42642187.

It is an arithmetic number, because the mean of its divisors is an integer number (42642187).

Almost surely, 2^85284373 is an apocalyptic number.

It is an amenable number.

85284373 is a deficient number, since it is larger than the sum of its proper divisors (1).

85284373 is an equidigital number, since it uses as much as digits as its factorization.

85284373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 85284373 is about 9234.9538710272. The cubic root of 85284373 is about 440.1727506927.

The spelling of 85284373 in words is "eighty-five million, two hundred eighty-four thousand, three hundred seventy-three".