510661012 has 24 divisors (see below), whose sum is σ = 916394472. Its totient is φ = 248908800.

The previous prime is 510661009. The next prime is 510661033. The reversal of 510661012 is 210166015.

It can be written as a sum of positive squares in 4 ways, for example, as 7376656 + 503284356 = 2716^2 + 22434^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18312 + ... + 36832.

It is an arithmetic number, because the mean of its divisors is an integer number (38183103).

Almost surely, 2^510661012 is an apocalyptic number.

It is an amenable number.

510661012 is a deficient number, since it is larger than the sum of its proper divisors (405733460).

510661012 is a wasteful number, since it uses less digits than its factorization.

510661012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18699 (or 18697 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 510661012 is about 22597.8098938813. The cubic root of 510661012 is about 799.3020015916.

The spelling of 510661012 in words is "five hundred ten million, six hundred sixty-one thousand, twelve".