239245305 has 16 divisors (see below), whose sum is σ = 412238400. Its totient is φ = 117782208.

The previous prime is 239245297. The next prime is 239245313. The reversal of 239245305 is 503542932.

It is an interprime number because it is at equal distance from previous prime (239245297) and next prime (239245313).

It is not a de Polignac number, because 239245305 - 2³ = 239245297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613255 + ... + 613644.

It is an arithmetic number, because the mean of its divisors is an integer number (25764900).

Almost surely, 2^239245305 is an apocalyptic number.

It is an amenable number.

239245305 is a deficient number, since it is larger than the sum of its proper divisors (172993095).

239245305 is a wasteful number, since it uses less digits than its factorization.

239245305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226920.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 239245305 is about 15467.5565297173. The cubic root of 239245305 is about 620.7944247596.

The spelling of 239245305 in words is "two hundred thirty-nine million, two hundred forty-five thousand, three hundred five".