510983985 has 16 divisors (see below), whose sum is σ = 853121664. Its totient is φ = 260675712.

The previous prime is 510983983. The next prime is 510983989. The reversal of 510983985 is 589389015.

It is not a de Polignac number, because 510983985 - 2¹ = 510983983 is a prime.

It is a super-2 number, since 2×510983985² = 522209265852960450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (510983983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740212 + ... + 740901.

It is an arithmetic number, because the mean of its divisors is an integer number (53320104).

Almost surely, 2^510983985 is an apocalyptic number.

It is an amenable number.

510983985 is a deficient number, since it is larger than the sum of its proper divisors (342137679).

510983985 is a wasteful number, since it uses less digits than its factorization.

510983985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481144.

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 510983985 is about 22604.9548771945. The cubic root of 510983985 is about 799.4704751024.

The spelling of 510983985 in words is "five hundred ten million, nine hundred eighty-three thousand, nine hundred eighty-five".