61339 has 2 divisors, whose sum is σ = 61340. Its totient is φ = 61338.
The previous prime is 61333. The next prime is 61343. The reversal of 61339 is 93316.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 61339 - 23 = 61331 is a prime.
It is not a weakly prime, because it can be changed into another prime (61331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30669 + 30670.
It is an arithmetic number, because the mean of its divisors is an integer number (30670).
261339 is an apocalyptic number.
61339 is a deficient number, since it is larger than the sum of its proper divisors (1).
61339 is an equidigital number, since it uses as much as digits as its factorization.
61339 is an evil number, because the sum of its binary digits is even.
The product of its digits is 486, while the sum is 22.
The square root of 61339 is about 247.6671152979. The cubic root of 61339 is about 39.4377591585.
It can be divided in two parts, 61 and 339, that added together give a square (400 = 202).
The spelling of 61339 in words is "sixty-one thousand, three hundred thirty-nine".
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