234505305 has 12 divisors (see below), whose sum is σ = 406475940. Its totient is φ = 125069472.

The previous prime is 234505303. The next prime is 234505319. The reversal of 234505305 is 503505432.

It can be written as a sum of positive squares in 2 ways, for example, as 81216144 + 153289161 = 9012^2 + 12381^2 .

It is not a de Polignac number, because 234505305 - 2¹ = 234505303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234505303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2605570 + ... + 2605659.

It is an arithmetic number, because the mean of its divisors is an integer number (33872995).

Almost surely, 2^234505305 is an apocalyptic number.

It is an amenable number.

234505305 is a deficient number, since it is larger than the sum of its proper divisors (171970635).

234505305 is a wasteful number, since it uses less digits than its factorization.

234505305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5211240 (or 5211237 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 234505305 is about 15313.5660445241. The cubic root of 234505305 is about 616.6672586635.

The spelling of 234505305 in words is "two hundred thirty-four million, five hundred five thousand, three hundred five".