512880521 has 4 divisors (see below), whose sum is σ = 525389844. Its totient is φ = 500371200.

The previous prime is 512880517. The next prime is 512880527. The reversal of 512880521 is 125088215.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10627600 + 502252921 = 3260^2 + 22411^2 .

It is a cyclic number.

It is not a de Polignac number, because 512880521 - 2² = 512880517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512880527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6254600 + ... + 6254681.

It is an arithmetic number, because the mean of its divisors is an integer number (131347461).

Almost surely, 2^512880521 is an apocalyptic number.

It is an amenable number.

512880521 is a deficient number, since it is larger than the sum of its proper divisors (12509323).

512880521 is a wasteful number, since it uses less digits than its factorization.

512880521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12509322.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 512880521 is about 22646.8655888624. The cubic root of 512880521 is about 800.4583420406.

The spelling of 512880521 in words is "five hundred twelve million, eight hundred eighty thousand, five hundred twenty-one".