37543 has 4 divisors (see below), whose sum is σ = 40968. Its totient is φ = 34120.

The previous prime is 37537. The next prime is 37547. The reversal of 37543 is 34573.

37543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 37543 - 2⁵ = 37511 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37547) 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, 1696 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (10242).

2³⁷⁵⁴³ is an apocalyptic number.

37543 is a deficient number, since it is larger than the sum of its proper divisors (3425).

37543 is a wasteful number, since it uses less digits than its factorization.

37543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424.

The product of its digits is 1260, while the sum is 22.

The square root of 37543 is about 193.7601610239. The cubic root of 37543 is about 33.4844362247.

The spelling of 37543 in words is "thirty-seven thousand, five hundred forty-three".