537543 has 16 divisors (see below), whose sum is σ = 816640. Its totient is φ = 349272.

The previous prime is 537527. The next prime is 537547. The reversal of 537543 is 345735.

It is a happy number.

537543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 537543 - 2⁴ = 537527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930 + ... + 1392.

It is an arithmetic number, because the mean of its divisors is an integer number (51040).

2⁵³⁷⁵⁴³ is an apocalyptic number.

537543 is a deficient number, since it is larger than the sum of its proper divisors (279097).

537543 is a wasteful number, since it uses less digits than its factorization.

537543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 509 counting only the distinct ones).

The product of its digits is 6300, while the sum is 27.

The square root of 537543 is about 733.1732401009. The cubic root of 537543 is about 81.3088347039.

The spelling of 537543 in words is "five hundred thirty-seven thousand, five hundred forty-three".