509052793 has 2 divisors, whose sum is σ = 509052794. Its totient is φ = 509052792.

The previous prime is 509052779. The next prime is 509052823. The reversal of 509052793 is 397250905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508367209 + 685584 = 22547^2 + 828^2 .

It is a cyclic number.

It is not a de Polignac number, because 509052793 - 2⁹ = 509052281 is a prime.

It is a super-2 number, since 2×509052793² = 518269492122201698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (509052893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254526396 + 254526397.

It is an arithmetic number, because the mean of its divisors is an integer number (254526397).

Almost surely, 2^509052793 is an apocalyptic number.

It is an amenable number.

509052793 is a deficient number, since it is larger than the sum of its proper divisors (1).

509052793 is an equidigital number, since it uses as much as digits as its factorization.

509052793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 509052793 is about 22562.1983193128. The cubic root of 509052793 is about 798.4620416038.

The spelling of 509052793 in words is "five hundred nine million, fifty-two thousand, seven hundred ninety-three".