85200249 has 8 divisors (see below), whose sum is σ = 113643712. Its totient is φ = 56778480.

The previous prime is 85200229. The next prime is 85200253. The reversal of 85200249 is 94200258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85200249 - 2⁸ = 85199993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85200229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10059 + ... + 16479.

It is an arithmetic number, because the mean of its divisors is an integer number (14205464).

Almost surely, 2^85200249 is an apocalyptic number.

It is an amenable number.

85200249 is a deficient number, since it is larger than the sum of its proper divisors (28443463).

85200249 is a wasteful number, since it uses less digits than its factorization.

85200249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10847.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 85200249 is about 9230.3980954236. The cubic root of 85200249 is about 440.0279751497.

Subtracting 85200249 from its reverse (94200258), we obtain a palindrome (9000009).

The spelling of 85200249 in words is "eighty-five million, two hundred thousand, two hundred forty-nine".