509053673 has 2 divisors, whose sum is σ = 509053674. Its totient is φ = 509053672.

The previous prime is 509053667. The next prime is 509053709. The reversal of 509053673 is 376350905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271986064 + 237067609 = 16492^2 + 15397^2 .

It is a cyclic number.

It is not a de Polignac number, because 509053673 - 2⁶ = 509053609 is a prime.

It is equal to p_26807078 and since 509053673 and 26807078 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (509053613) 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, 254526836 + 254526837.

It is an arithmetic number, because the mean of its divisors is an integer number (254526837).

Almost surely, 2^509053673 is an apocalyptic number.

It is an amenable number.

509053673 is a deficient number, since it is larger than the sum of its proper divisors (1).

509053673 is an equidigital number, since it uses as much as digits as its factorization.

509053673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 509053673 is about 22562.2178209501. The cubic root of 509053673 is about 798.4625017042.

The spelling of 509053673 in words is "five hundred nine million, fifty-three thousand, six hundred seventy-three".