233254561 has 4 divisors (see below), whose sum is σ = 238217472. Its totient is φ = 228291652.

The previous prime is 233254559. The next prime is 233254573. The reversal of 233254561 is 165452332.

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.

It is a cyclic number.

It is not a de Polignac number, because 233254561 - 2¹ = 233254559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233254361) 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, 2481385 + ... + 2481478.

It is an arithmetic number, because the mean of its divisors is an integer number (59554368).

Almost surely, 2^233254561 is an apocalyptic number.

It is an amenable number.

233254561 is a deficient number, since it is larger than the sum of its proper divisors (4962911).

233254561 is an equidigital number, since it uses as much as digits as its factorization.

233254561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962910.

The product of its digits is 21600, while the sum is 31.

The square root of 233254561 is about 15272.6736690077. The cubic root of 233254561 is about 615.5689634068.

The spelling of 233254561 in words is "two hundred thirty-three million, two hundred fifty-four thousand, five hundred sixty-one".