85250169 has 24 divisors (see below), whose sum is σ = 134097600. Its totient is φ = 51982560.

The previous prime is 85250117. The next prime is 85250171. The reversal of 85250169 is 96105258.

It is a happy number.

It is not a de Polignac number, because 85250169 - 2⁷ = 85250041 is a prime.

It is a super-2 number, since 2×85250169² = 14535182629057122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (85251169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3637 + ... + 13554.

It is an arithmetic number, because the mean of its divisors is an integer number (5587400).

Almost surely, 2^85250169 is an apocalyptic number.

It is an amenable number.

85250169 is a deficient number, since it is larger than the sum of its proper divisors (48847431).

85250169 is a wasteful number, since it uses less digits than its factorization.

85250169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17245 (or 17242 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 85250169 is about 9233.1018081683. The cubic root of 85250169 is about 440.1138978556.

The spelling of 85250169 in words is "eighty-five million, two hundred fifty thousand, one hundred sixty-nine".