560981 has 4 divisors (see below), whose sum is σ = 564000. Its totient is φ = 557964.

The previous prime is 560977. The next prime is 561019. The reversal of 560981 is 189065.

560981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 189065 = 5 ⋅37813.

It is a cyclic number.

It is not a de Polignac number, because 560981 - 2² = 560977 is a prime.

It is a super-2 number, since 2×560981² = 629399364722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 560981.

It is not an unprimeable number, because it can be changed into a prime (560941) 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, 1211 + ... + 1608.

It is an arithmetic number, because the mean of its divisors is an integer number (141000).

2⁵⁶⁰⁹⁸¹ is an apocalyptic number.

It is an amenable number.

560981 is a deficient number, since it is larger than the sum of its proper divisors (3019).

560981 is a wasteful number, since it uses less digits than its factorization.

560981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 560981 is about 748.9866487462. The cubic root of 560981 is about 82.4738086433.

The spelling of 560981 in words is "five hundred sixty thousand, nine hundred eighty-one".