232553561 has 4 divisors (see below), whose sum is σ = 232591632. Its totient is φ = 232515492.

The previous prime is 232553549. The next prime is 232553569. The reversal of 232553561 is 165355232.

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 232553561 - 2¹⁴ = 232537177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232553569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7571 + ... + 22856.

It is an arithmetic number, because the mean of its divisors is an integer number (58147908).

Almost surely, 2^232553561 is an apocalyptic number.

It is an amenable number.

232553561 is a deficient number, since it is larger than the sum of its proper divisors (38071).

232553561 is an equidigital number, since it uses as much as digits as its factorization.

232553561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38070.

The product of its digits is 27000, while the sum is 32.

The square root of 232553561 is about 15249.7069152164. The cubic root of 232553561 is about 614.9516880991.

The spelling of 232553561 in words is "two hundred thirty-two million, five hundred fifty-three thousand, five hundred sixty-one".