511313705 has 16 divisors (see below), whose sum is σ = 716152320. Its totient is φ = 343154112.

The previous prime is 511313669. The next prime is 511313717. The reversal of 511313705 is 507313115.

It is not a de Polignac number, because 511313705 - 2¹⁶ = 511248169 is a prime.

It is a super-2 number, since 2×511313705² = 522883409841654050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153770 + ... + 157059.

It is an arithmetic number, because the mean of its divisors is an integer number (44759520).

Almost surely, 2^511313705 is an apocalyptic number.

It is an amenable number.

511313705 is a deficient number, since it is larger than the sum of its proper divisors (204838615).

511313705 is a wasteful number, since it uses less digits than its factorization.

511313705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310888.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 511313705 is about 22612.2467923911. The cubic root of 511313705 is about 799.6423948595.

The spelling of 511313705 in words is "five hundred eleven million, three hundred thirteen thousand, seven hundred five".