2468281 has 4 divisors (see below), whose sum is σ = 2613492. Its totient is φ = 2323072.

The previous prime is 2468273. The next prime is 2468303. The reversal of 2468281 is 1828642.

2468281 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1828642 = 2 ⋅914321.

It can be written as a sum of positive squares in 2 ways, for example, as 1301881 + 1166400 = 1141^2 + 1080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2468281 - 2³ = 2468273 is a prime.

It is a super-2 number, since 2×2468281² = 12184822189922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2468201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72580 + ... + 72613.

It is an arithmetic number, because the mean of its divisors is an integer number (653373).

2^2468281 is an apocalyptic number.

It is an amenable number.

2468281 is a deficient number, since it is larger than the sum of its proper divisors (145211).

2468281 is a wasteful number, since it uses less digits than its factorization.

2468281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145210.

The product of its digits is 6144, while the sum is 31.

The square root of 2468281 is about 1571.0763826116. The cubic root of 2468281 is about 135.1444453020.

The spelling of 2468281 in words is "two million, four hundred sixty-eight thousand, two hundred eighty-one".