501073 has 4 divisors (see below), whose sum is σ = 505780. Its totient is φ = 496368.

The previous prime is 501043. The next prime is 501077. The reversal of 501073 is 370105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370105 = 5 ⋅74021.

It can be written as a sum of positive squares in 2 ways, for example, as 173889 + 327184 = 417^2 + 572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501073 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190 + ... + 2407.

It is an arithmetic number, because the mean of its divisors is an integer number (126445).

2⁵⁰¹⁰⁷³ is an apocalyptic number.

It is an amenable number.

501073 is a deficient number, since it is larger than the sum of its proper divisors (4707).

501073 is a wasteful number, since it uses less digits than its factorization.

501073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 501073 is about 707.8651001427. The cubic root of 501073 is about 79.4267880773.

Adding to 501073 its reverse (370105), we get a palindrome (871178).

The spelling of 501073 in words is "five hundred one thousand, seventy-three".