537443 has 4 divisors (see below), whose sum is σ = 541200. Its totient is φ = 533688.

The previous prime is 537413. The next prime is 537497. The reversal of 537443 is 344735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344735 = 5 ⋅68947.

It is a cyclic number.

It is not a de Polignac number, because 537443 - 2⁶ = 537379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537403) 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, 1655 + ... + 1952.

It is an arithmetic number, because the mean of its divisors is an integer number (135300).

2⁵³⁷⁴⁴³ is an apocalyptic number.

537443 is a deficient number, since it is larger than the sum of its proper divisors (3757).

537443 is a wasteful number, since it uses less digits than its factorization.

537443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756.

The product of its digits is 5040, while the sum is 26.

The square root of 537443 is about 733.1050402228. The cubic root of 537443 is about 81.3037923862.

The spelling of 537443 in words is "five hundred thirty-seven thousand, four hundred forty-three".