500501 has 2 divisors, whose sum is σ = 500502. Its totient is φ = 500500.

The previous prime is 500483. The next prime is 500509. The reversal of 500501 is 105005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454276 + 46225 = 674^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 500501 - 2¹⁴ = 484117 is a prime.

It is a Sophie Germain prime.

It is a pancake number, because a pancake can be divided into 500501 parts by 1000 straight cuts.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250250 + 250251.

It is an arithmetic number, because the mean of its divisors is an integer number (250251).

2⁵⁰⁰⁵⁰¹ is an apocalyptic number.

It is an amenable number.

500501 is a deficient number, since it is larger than the sum of its proper divisors (1).

500501 is an equidigital number, since it uses as much as digits as its factorization.

500501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 500501 is about 707.4609529861. The cubic root of 500501 is about 79.3965533467.

Adding to 500501 its reverse (105005), we get a palindrome (605506).

It can be divided in two parts, 500 and 501, that added together give a palindrome (1001).

The spelling of 500501 in words is "five hundred thousand, five hundred one".