510538994 has 16 divisors (see below), whose sum is σ = 881601408. Its totient is φ = 217204512.

The previous prime is 510538993. The next prime is 510538999. The reversal of 510538994 is 499835015.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (510538993) 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 7 ways as a sum of consecutive naturals, for example, 131174 + ... + 135009.

It is an arithmetic number, because the mean of its divisors is an integer number (55100088).

Almost surely, 2^510538994 is an apocalyptic number.

510538994 is a deficient number, since it is larger than the sum of its proper divisors (371062414).

510538994 is a wasteful number, since it uses less digits than its factorization.

510538994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266329.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 510538994 is about 22595.1099576877. The cubic root of 510538994 is about 799.2383344371.

The spelling of 510538994 in words is "five hundred ten million, five hundred thirty-eight thousand, nine hundred ninety-four".