230562268561 has 3 divisors (see below), whose sum is σ = 230562748731. Its totient is φ = 230561788392.

The previous prime is 230562268553. The next prime is 230562268583. The reversal of 230562268561 is 165862265032.

The square root of 230562268561 is 480169.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 72317428561 + 158244840000 = 268919^2 + 397800^2 .

It is not a de Polignac number, because 230562268561 - 2³ = 230562268553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230562268361) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 240085 + ... + 720253.

It is an arithmetic number, because the mean of its divisors is an integer number (76854249577).

Almost surely, 2^230562268561 is an apocalyptic number.

230562268561 is the 480169-th square number.

230562268561 is the 240085-th centered octagonal number.

It is an amenable number.

230562268561 is a deficient number, since it is larger than the sum of its proper divisors (480170).

230562268561 is an frugal number, since it uses more digits than its factorization.

230562268561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960338 (or 480169 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 230562268561 in words is "two hundred thirty billion, five hundred sixty-two million, two hundred sixty-eight thousand, five hundred sixty-one".