230520525 has 24 divisors (see below), whose sum is σ = 387382944. Its totient is φ = 120926400.

The previous prime is 230520517. The next prime is 230520529. The reversal of 230520525 is 525025032.

It is not a de Polignac number, because 230520525 - 2³ = 230520517 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230520495 and 230520504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230520529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20619 + ... + 29768.

It is an arithmetic number, because the mean of its divisors is an integer number (16140956).

Almost surely, 2^230520525 is an apocalyptic number.

230520525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230520525 is a deficient number, since it is larger than the sum of its proper divisors (156862419).

230520525 is a wasteful number, since it uses less digits than its factorization.

230520525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50461 (or 50456 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 230520525 is about 15182.9023905181. The cubic root of 230520525 is about 613.1544247855.

Adding to 230520525 its reverse (525025032), we get a palindrome (755545557).

The spelling of 230520525 in words is "two hundred thirty million, five hundred twenty thousand, five hundred twenty-five".