825534 has 12 divisors (see below), whose sum is σ = 1788696. Its totient is φ = 275172.

The previous prime is 825533. The next prime is 825547. The reversal of 825534 is 435528.

It is a junction number, because it is equal to n+sod(n) for n = 825498 and 825507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22914 + ... + 22949.

It is an arithmetic number, because the mean of its divisors is an integer number (149058).

2⁸²⁵⁵³⁴ is an apocalyptic number.

825534 is an abundant number, since it is smaller than the sum of its proper divisors (963162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825534 is a wasteful number, since it uses less digits than its factorization.

825534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45871 (or 45868 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 825534 is about 908.5890160023. The cubic root of 825534 is about 93.8091040637.

The spelling of 825534 in words is "eight hundred twenty-five thousand, five hundred thirty-four".