510996874 has 4 divisors (see below), whose sum is σ = 766495314. Its totient is φ = 255498436.

The previous prime is 510996859. The next prime is 510996877. The reversal of 510996874 is 478699015.

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

It can be written as a sum of positive squares in only one way, i.e., 488100649 + 22896225 = 22093^2 + 4785^2 .

It is a super-2 number, since 2×510996874² = 522235610475543752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (510996877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127749217 + ... + 127749220.

Almost surely, 2^510996874 is an apocalyptic number.

510996874 is a deficient number, since it is larger than the sum of its proper divisors (255498440).

510996874 is a wasteful number, since it uses less digits than its factorization.

510996874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255498439.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 510996874 is about 22605.2399677597. The cubic root of 510996874 is about 799.4771969623.

The spelling of 510996874 in words is "five hundred ten million, nine hundred ninety-six thousand, eight hundred seventy-four".