501870113 has 2 divisors, whose sum is σ = 501870114. Its totient is φ = 501870112.

The previous prime is 501870079. The next prime is 501870121. The reversal of 501870113 is 311078105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 481012624 + 20857489 = 21932^2 + 4567^2 .

It is a cyclic number.

It is not a de Polignac number, because 501870113 - 2¹⁰ = 501869089 is a prime.

It is a super-2 number, since 2×501870113² = 503747220645265538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (501875113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250935056 + 250935057.

It is an arithmetic number, because the mean of its divisors is an integer number (250935057).

Almost surely, 2^501870113 is an apocalyptic number.

It is an amenable number.

501870113 is a deficient number, since it is larger than the sum of its proper divisors (1).

501870113 is an equidigital number, since it uses as much as digits as its factorization.

501870113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 501870113 is about 22402.4577446315. The cubic root of 501870113 is about 794.6888346216.

The spelling of 501870113 in words is "five hundred one million, eight hundred seventy thousand, one hundred thirteen".