512477965 has 8 divisors (see below), whose sum is σ = 617163768. Its totient is φ = 408522240.

The previous prime is 512477963. The next prime is 512477969. The reversal of 512477965 is 569774215.

It can be written as a sum of positive squares in 4 ways, for example, as 98029801 + 414448164 = 9901^2 + 20358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 512477965 - 2¹ = 512477963 is a prime.

It is a super-2 number, since 2×512477965² = 525267329221082450, 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 (512477963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180972 + ... + 183781.

It is an arithmetic number, because the mean of its divisors is an integer number (77145471).

Almost surely, 2^512477965 is an apocalyptic number.

It is an amenable number.

512477965 is a deficient number, since it is larger than the sum of its proper divisors (104685803).

512477965 is a wasteful number, since it uses less digits than its factorization.

512477965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365039.

The product of its digits is 529200, while the sum is 46.

The square root of 512477965 is about 22637.9761683769. The cubic root of 512477965 is about 800.2488626803.

The spelling of 512477965 in words is "five hundred twelve million, four hundred seventy-seven thousand, nine hundred sixty-five".