535731 has 16 divisors (see below), whose sum is σ = 827904. Its totient is φ = 301824.

The previous prime is 535727. The next prime is 535741. The reversal of 535731 is 137535.

It is not a de Polignac number, because 535731 - 2² = 535727 is a prime.

It is a super-2 number, since 2×535731² = 574015408722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (535741) 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, 1906 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (51744).

2⁵³⁵⁷³¹ is an apocalyptic number.

535731 is a deficient number, since it is larger than the sum of its proper divisors (292173).

535731 is a wasteful number, since it uses less digits than its factorization.

535731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370.

The product of its digits is 1575, while the sum is 24.

The square root of 535731 is about 731.9364726532. The cubic root of 535731 is about 81.2173707246.

The spelling of 535731 in words is "five hundred thirty-five thousand, seven hundred thirty-one".