512977327 has 4 divisors (see below), whose sum is σ = 513023560. Its totient is φ = 512931096.

The previous prime is 512977319. The next prime is 512977337. The reversal of 512977327 is 723779215.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 723779215 = 5 ⋅144755843.

It is a 3-Lehmer number, since φ(512977327) divides (512977327-1)³.

It is a cyclic number.

It is not a de Polignac number, because 512977327 - 2³ = 512977319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512977337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4624 + ... + 32362.

It is an arithmetic number, because the mean of its divisors is an integer number (128255890).

Almost surely, 2^512977327 is an apocalyptic number.

512977327 is the 18493-rd pentagonal number.

512977327 is a deficient number, since it is larger than the sum of its proper divisors (46233).

512977327 is a wasteful number, since it uses less digits than its factorization.

512977327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46232.

The product of its digits is 185220, while the sum is 43.

The square root of 512977327 is about 22649.0027815796. The cubic root of 512977327 is about 800.5087009398.

The spelling of 512977327 in words is "five hundred twelve million, nine hundred seventy-seven thousand, three hundred twenty-seven".