249010085 has 4 divisors (see below), whose sum is σ = 298812108. Its totient is φ = 199208064.

The previous prime is 249010063. The next prime is 249010199. The reversal of 249010085 is 580010942.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54184321 + 194825764 = 7361^2 + 13958^2 .

It is a cyclic number.

It is not a de Polignac number, because 249010085 - 2¹² = 249005989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24901004 + ... + 24901013.

It is an arithmetic number, because the mean of its divisors is an integer number (74703027).

Almost surely, 2^249010085 is an apocalyptic number.

It is an amenable number.

249010085 is a deficient number, since it is larger than the sum of its proper divisors (49802023).

249010085 is an equidigital number, since it uses as much as digits as its factorization.

249010085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49802022.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 249010085 is about 15780.0533902772. The cubic root of 249010085 is about 629.1279485747.

It can be divided in two parts, 24 and 9010085, that added together give a palindrome (9010109).

The spelling of 249010085 in words is "two hundred forty-nine million, ten thousand, eighty-five".