501050689 has 2 divisors, whose sum is σ = 501050690. Its totient is φ = 501050688.

The previous prime is 501050657. The next prime is 501050717. The reversal of 501050689 is 986050105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 473802289 + 27248400 = 21767^2 + 5220^2 .

It is a cyclic number.

It is not a de Polignac number, because 501050689 - 2⁵ = 501050657 is a prime.

It is not a weakly prime, because it can be changed into another prime (501050629) 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, 250525344 + 250525345.

It is an arithmetic number, because the mean of its divisors is an integer number (250525345).

Almost surely, 2^501050689 is an apocalyptic number.

It is an amenable number.

501050689 is a deficient number, since it is larger than the sum of its proper divisors (1).

501050689 is an equidigital number, since it uses as much as digits as its factorization.

501050689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 501050689 is about 22384.1615657143. The cubic root of 501050689 is about 794.2560919556.

The spelling of 501050689 in words is "five hundred one million, fifty thousand, six hundred eighty-nine".