230530521 has 8 divisors (see below), whose sum is σ = 331018240. Its totient is φ = 141864912.

The previous prime is 230530513. The next prime is 230530561. The reversal of 230530521 is 125035032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230530521 - 2³ = 230530513 is a prime.

It is a super-2 number, since 2×230530521² = 106288642225062882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230530511) 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 7 ways as a sum of consecutive naturals, for example, 2955481 + ... + 2955558.

It is an arithmetic number, because the mean of its divisors is an integer number (41377280).

Almost surely, 2^230530521 is an apocalyptic number.

It is an amenable number.

230530521 is a deficient number, since it is larger than the sum of its proper divisors (100487719).

230530521 is a wasteful number, since it uses less digits than its factorization.

230530521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911055.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 230530521 is about 15183.2315730216. The cubic root of 230530521 is about 613.1632873413.

Adding to 230530521 its reverse (125035032), we get a palindrome (355565553).

The spelling of 230530521 in words is "two hundred thirty million, five hundred thirty thousand, five hundred twenty-one".