30230561 has 4 divisors (see below), whose sum is σ = 30322224. Its totient is φ = 30138900.

The previous prime is 30230527. The next prime is 30230587. The reversal of 30230561 is 16503203.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30230561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30233561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45335 + ... + 45996.

It is an arithmetic number, because the mean of its divisors is an integer number (7580556).

Almost surely, 2^30230561 is an apocalyptic number.

It is an amenable number.

30230561 is a deficient number, since it is larger than the sum of its proper divisors (91663).

30230561 is an equidigital number, since it uses as much as digits as its factorization.

30230561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91662.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 30230561 is about 5498.2325341877. The cubic root of 30230561 is about 311.5172274258.

Adding to 30230561 its reverse (16503203), we get a palindrome (46733764).

The spelling of 30230561 in words is "thirty million, two hundred thirty thousand, five hundred sixty-one".