535663 has 2 divisors, whose sum is σ = 535664. Its totient is φ = 535662.

The previous prime is 535637. The next prime is 535669. The reversal of 535663 is 366535.

535663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 535663 - 2⁹ = 535151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267831 + 267832.

It is an arithmetic number, because the mean of its divisors is an integer number (267832).

2⁵³⁵⁶⁶³ is an apocalyptic number.

535663 is a deficient number, since it is larger than the sum of its proper divisors (1).

535663 is an equidigital number, since it uses as much as digits as its factorization.

535663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 28.

The square root of 535663 is about 731.8900190602. The cubic root of 535663 is about 81.2139342892.

The spelling of 535663 in words is "five hundred thirty-five thousand, six hundred sixty-three".