230468521 has 2 divisors, whose sum is σ = 230468522. Its totient is φ = 230468520.

The previous prime is 230468509. The next prime is 230468593. The reversal of 230468521 is 125864032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214944921 + 15523600 = 14661^2 + 3940^2 .

It is a cyclic number.

It is not a de Polignac number, because 230468521 - 2²¹ = 228371369 is a prime.

It is equal to p_12666901 and since 230468521 and 12666901 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (230468321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115234260 + 115234261.

It is an arithmetic number, because the mean of its divisors is an integer number (115234261).

Almost surely, 2^230468521 is an apocalyptic number.

It is an amenable number.

230468521 is a deficient number, since it is larger than the sum of its proper divisors (1).

230468521 is an equidigital number, since it uses as much as digits as its factorization.

230468521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 230468521 is about 15181.1897096374. The cubic root of 230468521 is about 613.1083133734.

The spelling of 230468521 in words is "two hundred thirty million, four hundred sixty-eight thousand, five hundred twenty-one".