85289053 has 2 divisors, whose sum is σ = 85289054. Its totient is φ = 85289052.

The previous prime is 85289027. The next prime is 85289063. The reversal of 85289053 is 35098258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70257924 + 15031129 = 8382^2 + 3877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85289053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85288997 and 85289015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85289063) 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, 42644526 + 42644527.

It is an arithmetic number, because the mean of its divisors is an integer number (42644527).

Almost surely, 2^85289053 is an apocalyptic number.

It is an amenable number.

85289053 is a deficient number, since it is larger than the sum of its proper divisors (1).

85289053 is an equidigital number, since it uses as much as digits as its factorization.

85289053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 85289053 is about 9235.2072526825. The cubic root of 85289053 is about 440.1808020732.

The spelling of 85289053 in words is "eighty-five million, two hundred eighty-nine thousand, fifty-three".