47539 has 4 divisors (see below), whose sum is σ = 48024. Its totient is φ = 47056.

The previous prime is 47533. The next prime is 47543. The reversal of 47539 is 93574.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47539 - 2⁵ = 47507 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47533) 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, 37 + ... + 310.

It is an arithmetic number, because the mean of its divisors is an integer number (12006).

2⁴⁷⁵³⁹ is an apocalyptic number.

47539 is a deficient number, since it is larger than the sum of its proper divisors (485).

47539 is a wasteful number, since it uses less digits than its factorization.

47539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its digits is 3780, while the sum is 28.

The square root of 47539 is about 218.0344009554. The cubic root of 47539 is about 36.2256911935.

The spelling of 47539 in words is "forty-seven thousand, five hundred thirty-nine".