61073 has 4 divisors (see below), whose sum is σ = 61620. Its totient is φ = 60528.
The previous prime is 61057. The next prime is 61091. The reversal of 61073 is 37016.
61073 is nontrivially palindromic in base 5.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 16129 + 44944 = 127^2 + 212^2 .
It is a cyclic number.
It is not a de Polignac number, because 61073 - 24 = 61057 is a prime.
It is a super-2 number, since 2×610732 = 7459822658, which contains 22 as substring.
It is an Ulam number.
It is a Duffinian number.
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 (61043) 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, 38 + ... + 351.
It is an arithmetic number, because the mean of its divisors is an integer number (15405).
261073 is an apocalyptic number.
It is an amenable number.
61073 is a deficient number, since it is larger than the sum of its proper divisors (547).
61073 is a wasteful number, since it uses less digits than its factorization.
61073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 546.
The product of its (nonzero) digits is 126, while the sum is 17.
The square root of 61073 is about 247.1295206971. The cubic root of 61073 is about 39.3806685381.
Adding to 61073 its reverse (37016), we get a palindrome (98089).
The spelling of 61073 in words is "sixty-one thousand, seventy-three".
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