512959081 has 4 divisors (see below), whose sum is σ = 523873152. Its totient is φ = 502045012.

The previous prime is 512959061. The next prime is 512959091. The reversal of 512959081 is 180959215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180959215 = 5 ⋅36191843.

It is a cyclic number.

It is not a de Polignac number, because 512959081 - 2⁵ = 512959049 is a prime.

It is a super-2 number, since 2×512959081² = 526254037560729122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512959021) 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, 5456965 + ... + 5457058.

It is an arithmetic number, because the mean of its divisors is an integer number (130968288).

Almost surely, 2^512959081 is an apocalyptic number.

It is an amenable number.

512959081 is a deficient number, since it is larger than the sum of its proper divisors (10914071).

512959081 is a wasteful number, since it uses less digits than its factorization.

512959081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10914070.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 512959081 is about 22648.5999788066. The cubic root of 512959081 is about 800.4992097764.

The spelling of 512959081 in words is "five hundred twelve million, nine hundred fifty-nine thousand, eighty-one".