2000249281 has 8 divisors (see below), whose sum is σ = 2016541800. Its totient is φ = 1984014720.

The previous prime is 2000249243. The next prime is 2000249311. The reversal of 2000249281 is 1829420002.

It can be written as a sum of positive squares in 4 ways, for example, as 370881 + 1999878400 = 609^2 + 44720^2 .

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 2000249281 - 2¹⁵ = 2000216513 is a prime.

It is a super-2 number, since 2×2000249281² = 8001994372282033922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000249201) 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, 56205 + ... + 84613.

It is an arithmetic number, because the mean of its divisors is an integer number (252067725).

Almost surely, 2^2000249281 is an apocalyptic number.

It is an amenable number.

2000249281 is a deficient number, since it is larger than the sum of its proper divisors (16292519).

2000249281 is a wasteful number, since it uses less digits than its factorization.

2000249281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28979.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2000249281 is about 44724.1465094640. The cubic root of 2000249281 is about 1259.9733934501.

Adding to 2000249281 its reverse (1829420002), we get a palindrome (3829669283).

The spelling of 2000249281 in words is "two billion, two hundred forty-nine thousand, two hundred eighty-one".