85126297 has 4 divisors (see below), whose sum is σ = 85398580. Its totient is φ = 84854016.

The previous prime is 85126273. The next prime is 85126313. The reversal of 85126297 is 79262158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9853321 + 75272976 = 3139^2 + 8676^2 .

It is a cyclic number.

It is not a de Polignac number, because 85126297 - 2¹⁹ = 84602009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85126997) 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 in 3 ways as a sum of consecutive naturals, for example, 135672 + ... + 136297.

It is an arithmetic number, because the mean of its divisors is an integer number (21349645).

Almost surely, 2^85126297 is an apocalyptic number.

It is an amenable number.

85126297 is a deficient number, since it is larger than the sum of its proper divisors (272283).

85126297 is a wasteful number, since it uses less digits than its factorization.

85126297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272282.

The product of its digits is 60480, while the sum is 40.

The square root of 85126297 is about 9226.3913313928. The cubic root of 85126297 is about 439.9006266631.

The spelling of 85126297 in words is "eighty-five million, one hundred twenty-six thousand, two hundred ninety-seven".