825530 has 16 divisors (see below), whose sum is σ = 1534464. Its totient is φ = 319440.

The previous prime is 825527. The next prime is 825533. The reversal of 825530 is 35528.

825530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (825527) and next prime (825533).

It is a junction number, because it is equal to n+sod(n) for n = 825496 and 825505.

It is not an unprimeable number, because it can be changed into a prime (825533) 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, 1022 + ... + 1641.

It is an arithmetic number, because the mean of its divisors is an integer number (95904).

2⁸²⁵⁵³⁰ is an apocalyptic number.

825530 is a deficient number, since it is larger than the sum of its proper divisors (708934).

825530 is a wasteful number, since it uses less digits than its factorization.

825530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 825530 is about 908.5868147844. The cubic root of 825530 is about 93.8089525509.

The spelling of 825530 in words is "eight hundred twenty-five thousand, five hundred thirty".