532681 has 4 divisors (see below), whose sum is σ = 540052. Its totient is φ = 525312.

The previous prime is 532669. The next prime is 532687. The reversal of 532681 is 186235.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 241081 + 291600 = 491^2 + 540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-532681 is a prime.

It is a super-2 number, since 2×532681² = 567498095522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532687) 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, 3576 + ... + 3721.

It is an arithmetic number, because the mean of its divisors is an integer number (135013).

2⁵³²⁶⁸¹ is an apocalyptic number.

It is an amenable number.

532681 is a deficient number, since it is larger than the sum of its proper divisors (7371).

532681 is an equidigital number, since it uses as much as digits as its factorization.

532681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370.

The product of its digits is 1440, while the sum is 25.

The square root of 532681 is about 729.8499845859. The cubic root of 532681 is about 81.0629495924.

The spelling of 532681 in words is "five hundred thirty-two thousand, six hundred eighty-one".