232505305 has 8 divisors (see below), whose sum is σ = 279113472. Its totient is φ = 185932848.

The previous prime is 232505293. The next prime is 232505309. The reversal of 232505305 is 503505232.

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

It is a cyclic number.

It is not a de Polignac number, because 232505305 - 2⁹ = 232504793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232505305.

It is not an unprimeable number, because it can be changed into a prime (232505309) 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, 8494 + ... + 23176.

It is an arithmetic number, because the mean of its divisors is an integer number (34889184).

Almost surely, 2^232505305 is an apocalyptic number.

It is an amenable number.

232505305 is a deficient number, since it is larger than the sum of its proper divisors (46608167).

232505305 is a wasteful number, since it uses less digits than its factorization.

232505305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17855.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 232505305 is about 15248.1246387876. The cubic root of 232505305 is about 614.9091499968.

The spelling of 232505305 in words is "two hundred thirty-two million, five hundred five thousand, three hundred five".