500712172001 has 2 divisors, whose sum is σ = 500712172002. Its totient is φ = 500712172000.

The previous prime is 500712171937. The next prime is 500712172003. The reversal of 500712172001 is 100271217005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362164443601 + 138547728400 = 601801^2 + 372220^2 .

It is a cyclic number.

It is not a de Polignac number, because 500712172001 - 2⁶ = 500712171937 is a prime.

Together with 500712172003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (500712172003) 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, 250356086000 + 250356086001.

It is an arithmetic number, because the mean of its divisors is an integer number (250356086001).

Almost surely, 2^500712172001 is an apocalyptic number.

It is an amenable number.

500712172001 is a deficient number, since it is larger than the sum of its proper divisors (1).

500712172001 is an equidigital number, since it uses as much as digits as its factorization.

500712172001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980, while the sum is 26.

Adding to 500712172001 its reverse (100271217005), we get a palindrome (600983389006).

The spelling of 500712172001 in words is "five hundred billion, seven hundred twelve million, one hundred seventy-two thousand, one".