505368265 has 8 divisors (see below), whose sum is σ = 642115080. Its totient is φ = 380512512.

The previous prime is 505368247. The next prime is 505368287. The reversal of 505368265 is 562863505.

It can be written as a sum of positive squares in 4 ways, for example, as 17665209 + 487703056 = 4203^2 + 22084^2 .

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 505368265 - 2¹³ = 505360073 is a prime.

It is a super-2 number, since 2×505368265² = 510794166538220450, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2972670 + ... + 2972839.

It is an arithmetic number, because the mean of its divisors is an integer number (80264385).

Almost surely, 2^505368265 is an apocalyptic number.

It is an amenable number.

505368265 is a deficient number, since it is larger than the sum of its proper divisors (136746815).

505368265 is a wasteful number, since it uses less digits than its factorization.

505368265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945531.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 505368265 is about 22480.3973496911. The cubic root of 505368265 is about 796.5309502147.

The spelling of 505368265 in words is "five hundred five million, three hundred sixty-eight thousand, two hundred sixty-five".