511703313 has 12 divisors (see below), whose sum is σ = 749934864. Its totient is φ = 310123000.

The previous prime is 511703293. The next prime is 511703317. The reversal of 511703313 is 313307115.

It is a de Polignac number, because none of the positive numbers 2^k-511703313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (511703317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 704463 + ... + 705188.

It is an arithmetic number, because the mean of its divisors is an integer number (62494572).

Almost surely, 2^511703313 is an apocalyptic number.

It is an amenable number.

511703313 is a deficient number, since it is larger than the sum of its proper divisors (238231551).

511703313 is a wasteful number, since it uses less digits than its factorization.

511703313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409676 (or 1409665 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 511703313 is about 22620.8601295353. The cubic root of 511703313 is about 799.8454456640.

The spelling of 511703313 in words is "five hundred eleven million, seven hundred three thousand, three hundred thirteen".