501065 has 4 divisors (see below), whose sum is σ = 601284. Its totient is φ = 400848.

The previous prime is 501043. The next prime is 501077. The reversal of 501065 is 560105.

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 87616 + 413449 = 296^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 501065 - 2⁶ = 501001 is a prime.

It is a super-2 number, since 2×501065² = 502132268450, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 501065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50102 + ... + 50111.

It is an arithmetic number, because the mean of its divisors is an integer number (150321).

2⁵⁰¹⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

501065 is a deficient number, since it is larger than the sum of its proper divisors (100219).

501065 is a wasteful number, since it uses less digits than its factorization.

501065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100218.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 501065 is about 707.8594493259. The cubic root of 501065 is about 79.4263653726.

The spelling of 501065 in words is "five hundred one thousand, sixty-five".