85044251 has 8 divisors (see below), whose sum is σ = 90135504. Its totient is φ = 79962880.

The previous prime is 85044221. The next prime is 85044259. The reversal of 85044251 is 15244058.

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

It is a cyclic number.

It is not a de Polignac number, because 85044251 - 2¹⁰ = 85043227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85044259) 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, 22616 + ... + 26106.

It is an arithmetic number, because the mean of its divisors is an integer number (11266938).

Almost surely, 2^85044251 is an apocalyptic number.

85044251 is a deficient number, since it is larger than the sum of its proper divisors (5091253).

85044251 is a wasteful number, since it uses less digits than its factorization.

85044251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 85044251 is about 9221.9439924563. The cubic root of 85044251 is about 439.7592536300.

The spelling of 85044251 in words is "eighty-five million, forty-four thousand, two hundred fifty-one".