651052704 has 24 divisors (see below), whose sum is σ = 1709013600. Its totient is φ = 217017536.

The previous prime is 651052693. The next prime is 651052709. The reversal of 651052704 is 407250156.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (651052709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3390804 + ... + 3390995.

It is an arithmetic number, because the mean of its divisors is an integer number (71208900).

Almost surely, 2^651052704 is an apocalyptic number.

It is an amenable number.

651052704 is an abundant number, since it is smaller than the sum of its proper divisors (1057960896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651052704 is a wasteful number, since it uses less digits than its factorization.

651052704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6781812 (or 6781804 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 651052704 is about 25515.7344397531. The cubic root of 651052704 is about 866.7064907407.

The spelling of 651052704 in words is "six hundred fifty-one million, fifty-two thousand, seven hundred four".