59561 has 2 divisors, whose sum is σ = 59562. Its totient is φ = 59560.
The previous prime is 59557. The next prime is 59567. The reversal of 59561 is 16595.
59561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 59536 + 25 = 244^2 + 5^2 .
It is a cyclic number.
It is not a de Polignac number, because 59561 - 22 = 59557 is a prime.
It is a plaindrome in base 15.
It is a self number, because there is not a number n which added to its sum of digits gives 59561.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (59567) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29780 + 29781.
It is an arithmetic number, because the mean of its divisors is an integer number (29781).
259561 is an apocalyptic number.
It is an amenable number.
59561 is a deficient number, since it is larger than the sum of its proper divisors (1).
59561 is an equidigital number, since it uses as much as digits as its factorization.
59561 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1350, while the sum is 26.
The square root of 59561 is about 244.0512241313. The cubic root of 59561 is about 39.0529633252.
It can be divided in two parts, 595 and 61, that added together give a palindrome (656).
The spelling of 59561 in words is "fifty-nine thousand, five hundred sixty-one".
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