61326 has 12 divisors (see below), whose sum is σ = 132912. Its totient is φ = 20436.

The previous prime is 61297. The next prime is 61331. The reversal of 61326 is 62316.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 3407 = 61326 / (6 + 1 + 3 + 2 + 6).

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61299 and 61308.

It is a congruent number.

It is an unprimeable number.

61326 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1686 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (11076).

2⁶¹³²⁶ is an apocalyptic number.

61326 is an abundant number, since it is smaller than the sum of its proper divisors (71586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61326 is a wasteful number, since it uses less digits than its factorization.

61326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415 (or 3412 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 61326 is about 247.6408690019. The cubic root of 61326 is about 39.4349728557.

Subtracting 61326 from its reverse (62316), we obtain a triangular number (990 = T₄₄).

The spelling of 61326 in words is "sixty-one thousand, three hundred twenty-six".