61026 has 16 divisors (see below), whose sum is σ = 139584. Its totient is φ = 17424.
The previous prime is 61007. The next prime is 61027. The reversal of 61026 is 62016.
It is a Curzon number.
It is a nialpdrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 60996 and 61014.
It is not an unprimeable number, because it can be changed into a prime (61027) 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, 685 + ... + 768.
It is an arithmetic number, because the mean of its divisors is an integer number (8724).
261026 is an apocalyptic number.
61026 is an abundant number, since it is smaller than the sum of its proper divisors (78558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69792).
61026 is a wasteful number, since it uses less digits than its factorization.
61026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1465.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 61026 is about 247.0344105585. The cubic root of 61026 is about 39.3705638741.
Subtracting 61026 from its reverse (62016), we obtain a triangular number (990 = T44).
It can be divided in two parts, 610 and 26, that added together give a palindrome (636).
The spelling of 61026 in words is "sixty-one thousand, twenty-six".
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