501806882 has 4 divisors (see below), whose sum is σ = 752710326. Its totient is φ = 250903440.

The previous prime is 501806873. The next prime is 501806887. The reversal of 501806882 is 288608105.

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., 494128441 + 7678441 = 22229^2 + 2771^2 .

It is not an unprimeable number, because it can be changed into a prime (501806887) 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 as a sum of consecutive naturals, namely, 125451719 + ... + 125451722.

Almost surely, 2^501806882 is an apocalyptic number.

501806882 is a deficient number, since it is larger than the sum of its proper divisors (250903444).

501806882 is a wasteful number, since it uses less digits than its factorization.

501806882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250903443.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 501806882 is about 22401.0464487711. The cubic root of 501806882 is about 794.6554587349.

The spelling of 501806882 in words is "five hundred one million, eight hundred six thousand, eight hundred eighty-two".