534561 has 4 divisors (see below), whose sum is σ = 712752. Its totient is φ = 356372.

The previous prime is 534553. The next prime is 534571. The reversal of 534561 is 165435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 534561 - 2³ = 534553 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (534511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89091 + ... + 89096.

It is an arithmetic number, because the mean of its divisors is an integer number (178188).

2⁵³⁴⁵⁶¹ is an apocalyptic number.

It is an amenable number.

534561 is a deficient number, since it is larger than the sum of its proper divisors (178191).

534561 is a wasteful number, since it uses less digits than its factorization.

534561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178190.

The product of its digits is 1800, while the sum is 24.

The square root of 534561 is about 731.1367861078. The cubic root of 534561 is about 81.1582032298.

Adding to 534561 its reverse (165435), we get a palindrome (699996).

The spelling of 534561 in words is "five hundred thirty-four thousand, five hundred sixty-one".