560781 has 12 divisors (see below), whose sum is σ = 872508. Its totient is φ = 345024.

The previous prime is 560771. The next prime is 560783. The reversal of 560781 is 187065.

It can be written as a sum of positive squares in 2 ways, for example, as 285156 + 275625 = 534^2 + 525^2 .

It is not a de Polignac number, because 560781 - 2⁷ = 560653 is a prime.

It is a super-2 number, since 2×560781² = 628950659922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (560783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2280 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (72709).

2⁵⁶⁰⁷⁸¹ is an apocalyptic number.

It is an amenable number.

560781 is a deficient number, since it is larger than the sum of its proper divisors (311727).

560781 is a wasteful number, since it uses less digits than its factorization.

560781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812 (or 4809 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 560781 is about 748.8531231156. The cubic root of 560781 is about 82.4640063373.

The spelling of 560781 in words is "five hundred sixty thousand, seven hundred eighty-one".