85269259 has 6 divisors (see below), whose sum is σ = 85668644. Its totient is φ = 84871680.

The previous prime is 85269221. The next prime is 85269293. The reversal of 85269259 is 95296258.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-85269259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85269659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65404 + ... + 66694.

Almost surely, 2^85269259 is an apocalyptic number.

85269259 is a deficient number, since it is larger than the sum of its proper divisors (399385).

85269259 is an equidigital number, since it uses as much as digits as its factorization.

85269259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805 (or 1548 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 85269259 is about 9234.1355307359. The cubic root of 85269259 is about 440.1467468511.

The spelling of 85269259 in words is "eighty-five million, two hundred sixty-nine thousand, two hundred fifty-nine".