505015305 has 16 divisors (see below), whose sum is σ = 808747200. Its totient is φ = 269100608.

The previous prime is 505015297. The next prime is 505015319. The reversal of 505015305 is 503510505.

It is a cyclic number.

It is not a de Polignac number, because 505015305 - 2³ = 505015297 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, 2971 + ... + 31919.

It is an arithmetic number, because the mean of its divisors is an integer number (50546700).

Almost surely, 2^505015305 is an apocalyptic number.

It is an amenable number.

505015305 is a deficient number, since it is larger than the sum of its proper divisors (303731895).

505015305 is a wasteful number, since it uses less digits than its factorization.

505015305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30120.

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 505015305 is about 22472.5455834447. The cubic root of 505015305 is about 796.3454689454.

The spelling of 505015305 in words is "five hundred five million, fifteen thousand, three hundred five".