825510530 has 32 divisors (see below), whose sum is σ = 1619521344. Its totient is φ = 301127616.

The previous prime is 825510529. The next prime is 825510547. The reversal of 825510530 is 35015528.

It is a junction number, because it is equal to n+sod(n) for n = 825510493 and 825510502.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 27464 + ... + 49043.

It is an arithmetic number, because the mean of its divisors is an integer number (50610042).

Almost surely, 2^825510530 is an apocalyptic number.

825510530 is a deficient number, since it is larger than the sum of its proper divisors (794010814).

825510530 is a wasteful number, since it uses less digits than its factorization.

825510530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76610.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 825510530 is about 28731.6990447833. The cubic root of 825510530 is about 938.0821505511.

The spelling of 825510530 in words is "eight hundred twenty-five million, five hundred ten thousand, five hundred thirty".