505048313 has 12 divisors (see below), whose sum is σ = 634441920. Its totient is φ = 393543480.

The previous prime is 505048303. The next prime is 505048331. The reversal of 505048313 is 313840505.

It is not a de Polignac number, because 505048313 - 2¹⁸ = 504786169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505048303) 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 in 11 ways as a sum of consecutive naturals, for example, 297293 + ... + 298986.

It is an arithmetic number, because the mean of its divisors is an integer number (52870160).

Almost surely, 2^505048313 is an apocalyptic number.

It is an amenable number.

505048313 is a deficient number, since it is larger than the sum of its proper divisors (129393607).

505048313 is a wasteful number, since it uses less digits than its factorization.

505048313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596308 (or 596297 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 505048313 is about 22473.2799786769. The cubic root of 505048313 is about 796.3628183856.

Adding to 505048313 its reverse (313840505), we get a palindrome (818888818).

The spelling of 505048313 in words is "five hundred five million, forty-eight thousand, three hundred thirteen".