537533 has 4 divisors (see below), whose sum is σ = 560928. Its totient is φ = 514140.

The previous prime is 537527. The next prime is 537547. The reversal of 537533 is 335735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 537533 - 2¹⁰ = 536509 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11663 + ... + 11708.

It is an arithmetic number, because the mean of its divisors is an integer number (140232).

2⁵³⁷⁵³³ is an apocalyptic number.

It is an amenable number.

537533 is a deficient number, since it is larger than the sum of its proper divisors (23395).

537533 is a wasteful number, since it uses less digits than its factorization.

537533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23394.

The product of its digits is 4725, while the sum is 26.

The square root of 537533 is about 733.1664203985. The cubic root of 537533 is about 81.3083305003.

The spelling of 537533 in words is "five hundred thirty-seven thousand, five hundred thirty-three".