968561 has 8 divisors (see below), whose sum is σ = 1064448. Its totient is φ = 874000.

The previous prime is 968557. The next prime is 968567. The reversal of 968561 is 165869.

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 968561 - 2² = 968557 is a prime.

It is a super-2 number, since 2×968561² = 1876220821442, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (968567) 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, 1871 + ... + 2331.

It is an arithmetic number, because the mean of its divisors is an integer number (133056).

2⁹⁶⁸⁵⁶¹ is an apocalyptic number.

It is an amenable number.

968561 is a deficient number, since it is larger than the sum of its proper divisors (95887).

968561 is a wasteful number, since it uses less digits than its factorization.

968561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663.

The product of its digits is 12960, while the sum is 35.

The square root of 968561 is about 984.1549674721. The cubic root of 968561 is about 98.9408550578.

The spelling of 968561 in words is "nine hundred sixty-eight thousand, five hundred sixty-one".