504648491 has 2 divisors, whose sum is σ = 504648492. Its totient is φ = 504648490.

The previous prime is 504648479. The next prime is 504648511. The reversal of 504648491 is 194846405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504648491 - 2⁶ = 504648427 is a prime.

It is not a weakly prime, because it can be changed into another prime (504048491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252324245 + 252324246.

It is an arithmetic number, because the mean of its divisors is an integer number (252324246).

Almost surely, 2^504648491 is an apocalyptic number.

504648491 is a deficient number, since it is larger than the sum of its proper divisors (1).

504648491 is an equidigital number, since it uses as much as digits as its factorization.

504648491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 504648491 is about 22464.3827202085. The cubic root of 504648491 is about 796.1526157674.

The spelling of 504648491 in words is "five hundred four million, six hundred forty-eight thousand, four hundred ninety-one".