651323063 has 2 divisors, whose sum is σ = 651323064. Its totient is φ = 651323062.

The previous prime is 651323041. The next prime is 651323077. The reversal of 651323063 is 360323156.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 651323063 - 2⁸ = 651322807 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651323033) 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 as a sum of consecutive naturals, namely, 325661531 + 325661532.

It is an arithmetic number, because the mean of its divisors is an integer number (325661532).

Almost surely, 2^651323063 is an apocalyptic number.

651323063 is a deficient number, since it is larger than the sum of its proper divisors (1).

651323063 is an equidigital number, since it uses as much as digits as its factorization.

651323063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 651323063 is about 25521.0317777319. The cubic root of 651323063 is about 866.8264449170.

The spelling of 651323063 in words is "six hundred fifty-one million, three hundred twenty-three thousand, sixty-three".