651038223 has 32 divisors (see below), whose sum is σ = 987346944. Its totient is φ = 378000000.

The previous prime is 651038209. The next prime is 651038231. The reversal of 651038223 is 322830156.

651038223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 651038223 - 2⁵ = 651038191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651038203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100173 + ... + 106473.

It is an arithmetic number, because the mean of its divisors is an integer number (30854592).

Almost surely, 2^651038223 is an apocalyptic number.

651038223 is a deficient number, since it is larger than the sum of its proper divisors (336308721).

651038223 is a wasteful number, since it uses less digits than its factorization.

651038223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 651038223 is about 25515.4506720928. The cubic root of 651038223 is about 866.7000648043.

Adding to 651038223 its reverse (322830156), we get a palindrome (973868379).

The spelling of 651038223 in words is "six hundred fifty-one million, thirty-eight thousand, two hundred twenty-three".