651213260 has 24 divisors (see below), whose sum is σ = 1427007456. Its totient is φ = 249159680.

The previous prime is 651213257. The next prime is 651213289. The reversal of 651213260 is 62312156.

651213260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707381 + ... + 708300.

It is an arithmetic number, because the mean of its divisors is an integer number (59458644).

Almost surely, 2^651213260 is an apocalyptic number.

It is an amenable number.

651213260 is an abundant number, since it is smaller than the sum of its proper divisors (775794196).

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

651213260 is a wasteful number, since it uses less digits than its factorization.

651213260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415713 (or 1415711 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 651213260 is about 25518.8804613369. The cubic root of 651213260 is about 866.7777309998. Note that the first 4 decimals are identical.

The spelling of 651213260 in words is "six hundred fifty-one million, two hundred thirteen thousand, two hundred sixty".