512705677 has 6 divisors (see below), whose sum is σ = 563552654. Its totient is φ = 466095960.

The previous prime is 512705651. The next prime is 512705681. The reversal of 512705677 is 776507215.

It can be written as a sum of positive squares in only one way, i.e., 335842276 + 176863401 = 18326^2 + 13299^2 .

It is a de Polignac number, because none of the positive numbers 2^k-512705677 is a prime.

It is a super-2 number, since 2×512705677² = 525734222456056658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512705077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2118498 + ... + 2118739.

Almost surely, 2^512705677 is an apocalyptic number.

It is an amenable number.

512705677 is a deficient number, since it is larger than the sum of its proper divisors (50846977).

512705677 is a wasteful number, since it uses less digits than its factorization.

512705677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237259 (or 4237248 counting only the distinct ones).

The product of its (nonzero) digits is 102900, while the sum is 40.

The square root of 512705677 is about 22643.0050346680. The cubic root of 512705677 is about 800.3673713762.

The spelling of 512705677 in words is "five hundred twelve million, seven hundred five thousand, six hundred seventy-seven".