533861 has 8 divisors (see below), whose sum is σ = 567000. Its totient is φ = 501760.

The previous prime is 533857. The next prime is 533879. The reversal of 533861 is 168335.

It can be written as a sum of positive squares in 4 ways, for example, as 16900 + 516961 = 130^2 + 719^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 533861 - 2² = 533857 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 533861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533801) 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, 965 + ... + 1413.

It is an arithmetic number, because the mean of its divisors is an integer number (70875).

2⁵³³⁸⁶¹ is an apocalyptic number.

It is an amenable number.

533861 is a deficient number, since it is larger than the sum of its proper divisors (33139).

533861 is a wasteful number, since it uses less digits than its factorization.

533861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its digits is 2160, while the sum is 26.

The square root of 533861 is about 730.6579226971. The cubic root of 533861 is about 81.1227625861.

The spelling of 533861 in words is "five hundred thirty-three thousand, eight hundred sixty-one".