651347513 has 2 divisors, whose sum is σ = 651347514. Its totient is φ = 651347512.

The previous prime is 651347509. The next prime is 651347561. The reversal of 651347513 is 315743156.

651347513 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 can be written as a sum of positive squares in only one way, i.e., 415018384 + 236329129 = 20372^2 + 15373^2 .

It is a cyclic number.

It is not a de Polignac number, because 651347513 - 2² = 651347509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (651341513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325673756 + 325673757.

It is an arithmetic number, because the mean of its divisors is an integer number (325673757).

Almost surely, 2^651347513 is an apocalyptic number.

It is an amenable number.

651347513 is a deficient number, since it is larger than the sum of its proper divisors (1).

651347513 is an equidigital number, since it uses as much as digits as its factorization.

651347513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 651347513 is about 25521.5107899199. The cubic root of 651347513 is about 866.8372913732.

The spelling of 651347513 in words is "six hundred fifty-one million, three hundred forty-seven thousand, five hundred thirteen".