501135001 has 2 divisors, whose sum is σ = 501135002. Its totient is φ = 501135000.

The previous prime is 501134989. The next prime is 501135007. The reversal of 501135001 is 100531105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363893776 + 137241225 = 19076^2 + 11715^2 .

It is a cyclic number.

It is not a de Polignac number, because 501135001 - 2⁷ = 501134873 is a prime.

It is a super-2 number, since 2×501135001² = 502272578454540002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (501135007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250567500 + 250567501.

It is an arithmetic number, because the mean of its divisors is an integer number (250567501).

Almost surely, 2^501135001 is an apocalyptic number.

It is an amenable number.

501135001 is a deficient number, since it is larger than the sum of its proper divisors (1).

501135001 is an equidigital number, since it uses as much as digits as its factorization.

501135001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 501135001 is about 22386.0447824085. The cubic root of 501135001 is about 794.3006393872.

Adding to 501135001 its reverse (100531105), we get a palindrome (601666106).

The spelling of 501135001 in words is "five hundred one million, one hundred thirty-five thousand, one".