505001065 has 16 divisors (see below), whose sum is σ = 645252480. Its totient is φ = 378100480.

The previous prime is 505001053. The next prime is 505001089. The reversal of 505001065 is 560100505.

It is not a de Polignac number, because 505001065 - 2¹⁵ = 504968297 is a prime.

It is a super-2 number, since 2×505001065² = 510052151302268450, which contains 22 as substring.

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, 1381 + ... + 31810.

It is an arithmetic number, because the mean of its divisors is an integer number (40328280).

Almost surely, 2^505001065 is an apocalyptic number.

It is an amenable number.

505001065 is a deficient number, since it is larger than the sum of its proper divisors (140251415).

505001065 is a wasteful number, since it uses less digits than its factorization.

505001065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33392.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 505001065 is about 22472.2287501707. The cubic root of 505001065 is about 796.3379839801.

The spelling of 505001065 in words is "five hundred five million, one thousand, sixty-five".