500220137 has 2 divisors, whose sum is σ = 500220138. Its totient is φ = 500220136.

The previous prime is 500220073. The next prime is 500220143. The reversal of 500220137 is 731022005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306565081 + 193655056 = 17509^2 + 13916^2 .

It is a cyclic number.

It is not a de Polignac number, because 500220137 - 2⁶ = 500220073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (500220187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250110068 + 250110069.

It is an arithmetic number, because the mean of its divisors is an integer number (250110069).

Almost surely, 2^500220137 is an apocalyptic number.

It is an amenable number.

500220137 is a deficient number, since it is larger than the sum of its proper divisors (1).

500220137 is an equidigital number, since it uses as much as digits as its factorization.

500220137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 500220137 is about 22365.6016462782. The cubic root of 500220137 is about 793.8169907954.

The spelling of 500220137 in words is "five hundred million, two hundred twenty thousand, one hundred thirty-seven".