230626561 has 8 divisors (see below), whose sum is σ = 251969184. Its totient is φ = 209346720.

The previous prime is 230626523. The next prime is 230626597. The reversal of 230626561 is 165626032.

230626561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-230626561 is a prime.

It is a super-2 number, since 2×230626561² = 106377221277373442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230626061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7836 + ... + 22861.

It is an arithmetic number, because the mean of its divisors is an integer number (31496148).

Almost surely, 2^230626561 is an apocalyptic number.

It is an amenable number.

230626561 is a deficient number, since it is larger than the sum of its proper divisors (21342623).

230626561 is a wasteful number, since it uses less digits than its factorization.

230626561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31391.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 230626561 is about 15186.3939432638. The cubic root of 230626561 is about 613.2484243347.

The spelling of 230626561 in words is "two hundred thirty million, six hundred twenty-six thousand, five hundred sixty-one".