60561 has 8 divisors (see below), whose sum is σ = 89760. Its totient is φ = 40356.

The previous prime is 60539. The next prime is 60589. The reversal of 60561 is 16506.

60561 is a `hidden beast` number, since 605 + 61 = 666.

60561 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 60561 - 2⁶ = 60497 is a prime.

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 (60521) 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, 1095 + ... + 1148.

It is an arithmetic number, because the mean of its divisors is an integer number (11220).

2⁶⁰⁵⁶¹ is an apocalyptic number.

It is an amenable number.

60561 is a deficient number, since it is larger than the sum of its proper divisors (29199).

60561 is a wasteful number, since it uses less digits than its factorization.

60561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 60561 is about 246.0914464178. The cubic root of 60561 is about 39.2703114746.

It can be divided in two parts, 605 and 61, that added together give a palindrome (666).

The spelling of 60561 in words is "sixty thousand, five hundred sixty-one".