501365365 has 4 divisors (see below), whose sum is σ = 601638444. Its totient is φ = 401092288.

The previous prime is 501365353. The next prime is 501365413. The reversal of 501365365 is 563563105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99082116 + 402283249 = 9954^2 + 20057^2 .

It is a cyclic number.

It is not a de Polignac number, because 501365365 - 2⁷ = 501365237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 501365365.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 50136532 + ... + 50136541.

It is an arithmetic number, because the mean of its divisors is an integer number (150409611).

Almost surely, 2^501365365 is an apocalyptic number.

It is an amenable number.

501365365 is a deficient number, since it is larger than the sum of its proper divisors (100273079).

501365365 is a wasteful number, since it uses less digits than its factorization.

501365365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100273078.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 501365365 is about 22391.1894503173. The cubic root of 501365365 is about 794.4223299774.

The spelling of 501365365 in words is "five hundred one million, three hundred sixty-five thousand, three hundred sixty-five".