530825 has 12 divisors (see below), whose sum is σ = 697500. Its totient is φ = 399360.

The previous prime is 530807. The next prime is 530833. The reversal of 530825 is 528035.

530825 = T₁₂₀ + T₁₂₁ + ... + T₁₆₉.

It can be written as a sum of positive squares in 6 ways, for example, as 841 + 529984 = 29^2 + 728^2 .

It is a de Polignac number, because none of the positive numbers 2^k-530825 is a prime.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 530825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (58125).

2⁵³⁰⁸²⁵ is an apocalyptic number.

It is an amenable number.

530825 is a deficient number, since it is larger than the sum of its proper divisors (166675).

530825 is a wasteful number, since it uses less digits than its factorization.

530825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1271 counting only the distinct ones).

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

The square root of 530825 is about 728.5773809281. The cubic root of 530825 is about 80.9686918581.

The spelling of 530825 in words is "five hundred thirty thousand, eight hundred twenty-five".