651016349 has 2 divisors, whose sum is σ = 651016350. Its totient is φ = 651016348.

The previous prime is 651016307. The next prime is 651016381. The reversal of 651016349 is 943610156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485893849 + 165122500 = 22043^2 + 12850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-651016349 is a 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 (651016549) 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, 325508174 + 325508175.

It is an arithmetic number, because the mean of its divisors is an integer number (325508175).

Almost surely, 2^651016349 is an apocalyptic number.

It is an amenable number.

651016349 is a deficient number, since it is larger than the sum of its proper divisors (1).

651016349 is an equidigital number, since it uses as much as digits as its factorization.

651016349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 651016349 is about 25515.0220262496. The cubic root of 651016349 is about 866.6903580473.

The spelling of 651016349 in words is "six hundred fifty-one million, sixteen thousand, three hundred forty-nine".