85848531 has 4 divisors (see below), whose sum is σ = 114464712. Its totient is φ = 57232352.

The previous prime is 85848467. The next prime is 85848551. The reversal of 85848531 is 13584858.

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

It is a cyclic number.

It is not a de Polignac number, because 85848531 - 2⁶ = 85848467 is a prime.

It is a super-2 number, since 2×85848531² = 14739940549715922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85848551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14308086 + ... + 14308091.

It is an arithmetic number, because the mean of its divisors is an integer number (28616178).

Almost surely, 2^85848531 is an apocalyptic number.

85848531 is a deficient number, since it is larger than the sum of its proper divisors (28616181).

85848531 is a wasteful number, since it uses less digits than its factorization.

85848531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28616180.

The product of its digits is 153600, while the sum is 42.

The square root of 85848531 is about 9265.4482352447. The cubic root of 85848531 is about 441.1412025151.

The spelling of 85848531 in words is "eighty-five million, eight hundred forty-eight thousand, five hundred thirty-one".