505340265 has 16 divisors (see below), whose sum is σ = 830397888. Its totient is φ = 262230336.

The previous prime is 505340243. The next prime is 505340273. The reversal of 505340265 is 562043505.

It is not a de Polignac number, because 505340265 - 2⁷ = 505340137 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, 454707 + ... + 455816.

It is an arithmetic number, because the mean of its divisors is an integer number (51899868).

Almost surely, 2^505340265 is an apocalyptic number.

It is an amenable number.

505340265 is a deficient number, since it is larger than the sum of its proper divisors (325057623).

505340265 is a wasteful number, since it uses less digits than its factorization.

505340265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910568.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 505340265 is about 22479.7745762719. The cubic root of 505340265 is about 796.5162393065.

The spelling of 505340265 in words is "five hundred five million, three hundred forty thousand, two hundred sixty-five".