47365 has 4 divisors (see below), whose sum is σ = 56844. Its totient is φ = 37888.

The previous prime is 47363. The next prime is 47381. The reversal of 47365 is 56374.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34596 + 12769 = 186^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 47365 - 2¹ = 47363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4732 + ... + 4741.

It is an arithmetic number, because the mean of its divisors is an integer number (14211).

2⁴⁷³⁶⁵ is an apocalyptic number.

It is an amenable number.

47365 is a deficient number, since it is larger than the sum of its proper divisors (9479).

47365 is an equidigital number, since it uses as much as digits as its factorization.

47365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9478.

The product of its digits is 2520, while the sum is 25.

The square root of 47365 is about 217.6350155651. The cubic root of 47365 is about 36.1814399735.

Subtracting 47365 from its reverse (56374), we obtain a palindrome (9009).

The spelling of 47365 in words is "forty-seven thousand, three hundred sixty-five".