651752812 has 12 divisors (see below), whose sum is σ = 1150661736. Its totient is φ = 322992320.

The previous prime is 651752809. The next prime is 651752813. The reversal of 651752812 is 218257156.

It is not an unprimeable number, because it can be changed into a prime (651752813) 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 3 ways as a sum of consecutive naturals, for example, 720514 + ... + 721417.

It is an arithmetic number, because the mean of its divisors is an integer number (95888478).

Almost surely, 2^651752812 is an apocalyptic number.

It is an amenable number.

651752812 is a deficient number, since it is larger than the sum of its proper divisors (498908924).

651752812 is a wasteful number, since it uses less digits than its factorization.

651752812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442048 (or 1442046 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 651752812 is about 25529.4498961493. The cubic root of 651752812 is about 867.0170497124.

The spelling of 651752812 in words is "six hundred fifty-one million, seven hundred fifty-two thousand, eight hundred twelve".