501512812 has 6 divisors (see below), whose sum is σ = 877647428. Its totient is φ = 250756404.

The previous prime is 501512797. The next prime is 501512813. The reversal of 501512812 is 218215105.

It is not an unprimeable number, because it can be changed into a prime (501512813) 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, 62689098 + ... + 62689105.

Almost surely, 2^501512812 is an apocalyptic number.

It is an amenable number.

501512812 is a deficient number, since it is larger than the sum of its proper divisors (376134616).

501512812 is a wasteful number, since it uses less digits than its factorization.

501512812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125378207 (or 125378205 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 501512812 is about 22394.4817309979. The cubic root of 501512812 is about 794.5001998082.

Adding to 501512812 its reverse (218215105), we get a palindrome (719727917).

The spelling of 501512812 in words is "five hundred one million, five hundred twelve thousand, eight hundred twelve".