512490271 has 4 divisors (see below), whose sum is σ = 512999200. Its totient is φ = 511981344.

The previous prime is 512490269. The next prime is 512490281. The reversal of 512490271 is 172094215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 512490271 - 2¹ = 512490269 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 (512490241) 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, 252951 + ... + 254968.

It is an arithmetic number, because the mean of its divisors is an integer number (128249800).

Almost surely, 2^512490271 is an apocalyptic number.

512490271 is a deficient number, since it is larger than the sum of its proper divisors (508929).

512490271 is a wasteful number, since it uses less digits than its factorization.

512490271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508928.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 512490271 is about 22638.2479666603. The cubic root of 512490271 is about 800.2552680183.

The spelling of 512490271 in words is "five hundred twelve million, four hundred ninety thousand, two hundred seventy-one".