650833397 has 2 divisors, whose sum is σ = 650833398. Its totient is φ = 650833396.

The previous prime is 650833327. The next prime is 650833411. The reversal of 650833397 is 793338056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364580836 + 286252561 = 19094^2 + 16919^2 .

It is a cyclic number.

It is not a de Polignac number, because 650833397 - 2¹⁶ = 650767861 is a prime.

It is a super-2 number, since 2×650833397² = 847168221301119218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650833327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325416698 + 325416699.

It is an arithmetic number, because the mean of its divisors is an integer number (325416699).

Almost surely, 2^650833397 is an apocalyptic number.

It is an amenable number.

650833397 is a deficient number, since it is larger than the sum of its proper divisors (1).

650833397 is an equidigital number, since it uses as much as digits as its factorization.

650833397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 650833397 is about 25511.4365922423. The cubic root of 650833397 is about 866.6091631637.

The spelling of 650833397 in words is "six hundred fifty million, eight hundred thirty-three thousand, three hundred ninety-seven".