61059 has 4 divisors (see below), whose sum is σ = 81416.
Its totient is φ = 40704.
The previous prime is 61057. The next prime is 61091. The reversal of 61059 is 95016.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 61059 - 21 = 61057 is a prime.
It is a D-number.
It is a Duffinian number.
It is a nialpdrome in base 16.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 61059.
It is not an unprimeable number, because it can be changed into a prime (61051) 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, 10174 + ... + 10179.
It is an arithmetic number, because the mean of its divisors is an integer number (20354).
261059 is an apocalyptic number.
61059 is a deficient number, since it is larger than the sum of its proper divisors (20357).
61059 is a wasteful number, since it uses less digits than its factorization.
61059 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20356.
The product of its (nonzero) digits is 270, while the sum is 21.
The square root of 61059 is about 247.1011938458.
The cubic root of 61059 is about 39.3776591804.
It can be divided in two parts, 6105 and 9, that multiplied together give a palindrome (54945).
The spelling of 61059 in words is "sixty-one thousand, fifty-nine".