85248599 has 4 divisors (see below), whose sum is σ = 85288440. Its totient is φ = 85208760.

The previous prime is 85248593. The next prime is 85248613. The reversal of 85248599 is 99584258.

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 85248599 - 2¹² = 85244503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85248593) 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, 16517 + ... + 21054.

It is an arithmetic number, because the mean of its divisors is an integer number (21322110).

Almost surely, 2^85248599 is an apocalyptic number.

85248599 is a deficient number, since it is larger than the sum of its proper divisors (39841).

85248599 is a wasteful number, since it uses less digits than its factorization.

85248599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39840.

The product of its digits is 1036800, while the sum is 50.

The square root of 85248599 is about 9233.0167875944. The cubic root of 85248599 is about 440.1111960699. Note that the first 4 decimals are identical.

The spelling of 85248599 in words is "eighty-five million, two hundred forty-eight thousand, five hundred ninety-nine".