504491011 has 2 divisors, whose sum is σ = 504491012. Its totient is φ = 504491010.

The previous prime is 504490991. The next prime is 504491033. The reversal of 504491011 is 110194405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504491011 - 2⁵ = 504490979 is a prime.

It is a super-2 number, since 2×504491011² = 509022360359604242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (504491081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252245505 + 252245506.

It is an arithmetic number, because the mean of its divisors is an integer number (252245506).

Almost surely, 2^504491011 is an apocalyptic number.

504491011 is a deficient number, since it is larger than the sum of its proper divisors (1).

504491011 is an equidigital number, since it uses as much as digits as its factorization.

504491011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 504491011 is about 22460.8773426151. The cubic root of 504491011 is about 796.0697916761.

The spelling of 504491011 in words is "five hundred four million, four hundred ninety-one thousand, eleven".