651530413 has 2 divisors, whose sum is σ = 651530414. Its totient is φ = 651530412.

The previous prime is 651530401. The next prime is 651530437. The reversal of 651530413 is 314035156.

651530413 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., 473628169 + 177902244 = 21763^2 + 13338^2 .

It is a cyclic number.

It is not a de Polignac number, because 651530413 - 2⁵ = 651530381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651530483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325765206 + 325765207.

It is an arithmetic number, because the mean of its divisors is an integer number (325765207).

Almost surely, 2^651530413 is an apocalyptic number.

It is an amenable number.

651530413 is a deficient number, since it is larger than the sum of its proper divisors (1).

651530413 is an equidigital number, since it uses as much as digits as its factorization.

651530413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 651530413 is about 25525.0937902293. The cubic root of 651530413 is about 866.9184204684.

Adding to 651530413 its reverse (314035156), we get a palindrome (965565569).

The spelling of 651530413 in words is "six hundred fifty-one million, five hundred thirty thousand, four hundred thirteen".