85547269 has 2 divisors, whose sum is σ = 85547270. Its totient is φ = 85547268.

The previous prime is 85547257. The next prime is 85547299. The reversal of 85547269 is 96274558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78588225 + 6959044 = 8865^2 + 2638^2 .

It is a cyclic number.

It is not a de Polignac number, because 85547269 - 2⁵ = 85547237 is a prime.

It is a super-2 number, since 2×85547269² = 14636670466716722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85547239) 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, 42773634 + 42773635.

It is an arithmetic number, because the mean of its divisors is an integer number (42773635).

Almost surely, 2^85547269 is an apocalyptic number.

It is an amenable number.

85547269 is a deficient number, since it is larger than the sum of its proper divisors (1).

85547269 is an equidigital number, since it uses as much as digits as its factorization.

85547269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 85547269 is about 9249.1766660606. The cubic root of 85547269 is about 440.6245761544.

The spelling of 85547269 in words is "eighty-five million, five hundred forty-seven thousand, two hundred sixty-nine".