505353245 has 8 divisors (see below), whose sum is σ = 606873816. Its totient is φ = 403982656.

The previous prime is 505353209. The next prime is 505353253. The reversal of 505353245 is 542353505.

It can be written as a sum of positive squares in 4 ways, for example, as 201583204 + 303770041 = 14198^2 + 17429^2 .

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 505353245 - 2⁶ = 505353181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29942 + ... + 43671.

It is an arithmetic number, because the mean of its divisors is an integer number (75859227).

Almost surely, 2^505353245 is an apocalyptic number.

It is an amenable number.

505353245 is a deficient number, since it is larger than the sum of its proper divisors (101520571).

505353245 is a wasteful number, since it uses less digits than its factorization.

505353245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74991.

The product of its (nonzero) digits is 45000, while the sum is 32.

The square root of 505353245 is about 22480.0632783807. The cubic root of 505353245 is about 796.5230589308.

The spelling of 505353245 in words is "five hundred five million, three hundred fifty-three thousand, two hundred forty-five".