85250873 has 2 divisors, whose sum is σ = 85250874. Its totient is φ = 85250872.

The previous prime is 85250861. The next prime is 85250881. The reversal of 85250873 is 37805258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59474944 + 25775929 = 7712^2 + 5077^2 .

It is a cyclic number.

It is not a de Polignac number, because 85250873 - 2¹⁴ = 85234489 is a prime.

It is a super-2 number, since 2×85250873² = 14535422694524258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85250813) 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, 42625436 + 42625437.

It is an arithmetic number, because the mean of its divisors is an integer number (42625437).

Almost surely, 2^85250873 is an apocalyptic number.

It is an amenable number.

85250873 is a deficient number, since it is larger than the sum of its proper divisors (1).

85250873 is an equidigital number, since it uses as much as digits as its factorization.

85250873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 85250873 is about 9233.1399317892. The cubic root of 85250873 is about 440.1151093462.

The spelling of 85250873 in words is "eighty-five million, two hundred fifty thousand, eight hundred seventy-three".