537663 has 8 divisors (see below), whose sum is σ = 819328. Its totient is φ = 307224.

The previous prime is 537661. The next prime is 537673. The reversal of 537663 is 366735.

537663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 537663 - 2¹ = 537661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 537663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12781 + ... + 12822.

It is an arithmetic number, because the mean of its divisors is an integer number (102416).

2⁵³⁷⁶⁶³ is an apocalyptic number.

537663 is a deficient number, since it is larger than the sum of its proper divisors (281665).

537663 is a wasteful number, since it uses less digits than its factorization.

537663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25613.

The product of its digits is 11340, while the sum is 30.

The square root of 537663 is about 733.2550715815. The cubic root of 537663 is about 81.3148846597.

The spelling of 537663 in words is "five hundred thirty-seven thousand, six hundred sixty-three".