52347 has 4 divisors (see below), whose sum is σ = 69800. Its totient is φ = 34896.

The previous prime is 52321. The next prime is 52361. The reversal of 52347 is 74325.

It is a happy number.

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

It is not a de Polignac number, because 52347 - 2¹⁴ = 35963 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8722 + ... + 8727.

It is an arithmetic number, because the mean of its divisors is an integer number (17450).

2⁵²³⁴⁷ is an apocalyptic number.

52347 is a deficient number, since it is larger than the sum of its proper divisors (17453).

52347 is a wasteful number, since it uses less digits than its factorization.

52347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17452.

The product of its digits is 840, while the sum is 21.

The square root of 52347 is about 228.7946677700. The cubic root of 52347 is about 37.4079520205.

Subtracting from 52347 its sum of digits (21), we obtain a triangular number (52326 = T₃₂₃).

The spelling of 52347 in words is "fifty-two thousand, three hundred forty-seven".