61347 has 18 divisors (see below), whose sum is σ = 97356. Its totient is φ = 34320.

The previous prime is 61343. The next prime is 61357. The reversal of 61347 is 74316.

It is not a de Polignac number, because 61347 - 2² = 61343 is a prime.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (61343) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 4713 + ... + 4725.

2⁶¹³⁴⁷ is an apocalyptic number.

61347 is a deficient number, since it is larger than the sum of its proper divisors (36009).

61347 is a wasteful number, since it uses less digits than its factorization.

61347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51 (or 27 counting only the distinct ones).

The product of its digits is 504, while the sum is 21.

The square root of 61347 is about 247.6832654823. The cubic root of 61347 is about 39.4394736108.

The spelling of 61347 in words is "sixty-one thousand, three hundred forty-seven".