650236513 has 2 divisors, whose sum is σ = 650236514. Its totient is φ = 650236512.

The previous prime is 650236481. The next prime is 650236523. The reversal of 650236513 is 315632056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613899729 + 36336784 = 24777^2 + 6028^2 .

It is a cyclic number.

It is not a de Polignac number, because 650236513 - 2⁵ = 650236481 is a prime.

It is equal to p_33805174 and since 650236513 and 33805174 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (650236523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325118256 + 325118257.

It is an arithmetic number, because the mean of its divisors is an integer number (325118257).

Almost surely, 2^650236513 is an apocalyptic number.

It is an amenable number.

650236513 is a deficient number, since it is larger than the sum of its proper divisors (1).

650236513 is an equidigital number, since it uses as much as digits as its factorization.

650236513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 650236513 is about 25499.7355476483. The cubic root of 650236513 is about 866.3441576308.

Adding to 650236513 its reverse (315632056), we get a palindrome (965868569).

The spelling of 650236513 in words is "six hundred fifty million, two hundred thirty-six thousand, five hundred thirteen".