651485226 has 16 divisors (see below), whose sum is σ = 1489109184. Its totient is φ = 186138624.

The previous prime is 651485201. The next prime is 651485227. The reversal of 651485226 is 622584156.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (651485227) 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 7 ways as a sum of consecutive naturals, for example, 7755735 + ... + 7755818.

It is an arithmetic number, because the mean of its divisors is an integer number (93069324).

Almost surely, 2^651485226 is an apocalyptic number.

651485226 is an abundant number, since it is smaller than the sum of its proper divisors (837623958).

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

651485226 is a wasteful number, since it uses less digits than its factorization.

651485226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511565.

The product of its digits is 115200, while the sum is 39.

The square root of 651485226 is about 25524.2086263218. The cubic root of 651485226 is about 866.8983782480.

The spelling of 651485226 in words is "six hundred fifty-one million, four hundred eighty-five thousand, two hundred twenty-six".