651297263 has 2 divisors, whose sum is σ = 651297264. Its totient is φ = 651297262.

The previous prime is 651297247. The next prime is 651297301. The reversal of 651297263 is 362792156.

651297263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 651297263 - 2⁴ = 651297247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 651297263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651297223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325648631 + 325648632.

It is an arithmetic number, because the mean of its divisors is an integer number (325648632).

Almost surely, 2^651297263 is an apocalyptic number.

651297263 is a deficient number, since it is larger than the sum of its proper divisors (1).

651297263 is an equidigital number, since it uses as much as digits as its factorization.

651297263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 651297263 is about 25520.5263072688. The cubic root of 651297263 is about 866.8149992822.

The spelling of 651297263 in words is "six hundred fifty-one million, two hundred ninety-seven thousand, two hundred sixty-three".