513775705 has 16 divisors (see below), whose sum is σ = 620524800. Its totient is φ = 408369280.

The previous prime is 513775699. The next prime is 513775723. The reversal of 513775705 is 507577315.

It is not a de Polignac number, because 513775705 - 2³ = 513775697 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 902661 + ... + 903229.

It is an arithmetic number, because the mean of its divisors is an integer number (38782800).

Almost surely, 2^513775705 is an apocalyptic number.

It is an amenable number.

513775705 is a deficient number, since it is larger than the sum of its proper divisors (106749095).

513775705 is a wasteful number, since it uses less digits than its factorization.

513775705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424.

The product of its (nonzero) digits is 128625, while the sum is 40.

The square root of 513775705 is about 22666.6209435813. The cubic root of 513775705 is about 800.9237792335.

The spelling of 513775705 in words is "five hundred thirteen million, seven hundred seventy-five thousand, seven hundred five".