230620261 has 4 divisors (see below), whose sum is σ = 230650912. Its totient is φ = 230589612.

The previous prime is 230620219. The next prime is 230620277. The reversal of 230620261 is 162026032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 230620261 - 2⁹ = 230619749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230620361) 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 3 ways as a sum of consecutive naturals, for example, 4576 + ... + 21958.

It is an arithmetic number, because the mean of its divisors is an integer number (57662728).

Almost surely, 2^230620261 is an apocalyptic number.

It is an amenable number.

230620261 is a deficient number, since it is larger than the sum of its proper divisors (30651).

230620261 is a wasteful number, since it uses less digits than its factorization.

230620261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30650.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 230620261 is about 15186.1865193339. The cubic root of 230620261 is about 613.2428402709.

Adding to 230620261 its reverse (162026032), we get a palindrome (392646293).

The spelling of 230620261 in words is "two hundred thirty million, six hundred twenty thousand, two hundred sixty-one".