5780281 has 4 divisors (see below), whose sum is σ = 6224932. Its totient is φ = 5335632.

The previous prime is 5780273. The next prime is 5780287. The reversal of 5780281 is 1820875.

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 234256 + 5546025 = 484^2 + 2355^2 .

It is a cyclic number.

It is not a de Polignac number, because 5780281 - 2³ = 5780273 is a prime.

It is a super-2 number, since 2×5780281² = 66823296877922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5780287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222306 + ... + 222331.

It is an arithmetic number, because the mean of its divisors is an integer number (1556233).

Almost surely, 2^5780281 is an apocalyptic number.

It is an amenable number.

5780281 is a deficient number, since it is larger than the sum of its proper divisors (444651).

5780281 is a wasteful number, since it uses less digits than its factorization.

5780281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444650.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 5780281 is about 2404.2214956197. The cubic root of 5780281 is about 179.4663308487.

The spelling of 5780281 in words is "five million, seven hundred eighty thousand, two hundred eighty-one".