788325221 has 2 divisors, whose sum is σ = 788325222. Its totient is φ = 788325220.

The previous prime is 788325217. The next prime is 788325271. The reversal of 788325221 is 122523887.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543402721 + 244922500 = 23311^2 + 15650^2 .

It is a cyclic number.

It is not a de Polignac number, because 788325221 - 2² = 788325217 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 (788325211) 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, 394162610 + 394162611.

It is an arithmetic number, because the mean of its divisors is an integer number (394162611).

Almost surely, 2^788325221 is an apocalyptic number.

It is an amenable number.

788325221 is a deficient number, since it is larger than the sum of its proper divisors (1).

788325221 is an equidigital number, since it uses as much as digits as its factorization.

788325221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 788325221 is about 28077.1298568782. The cubic root of 788325221 is about 923.7798261815.

The spelling of 788325221 in words is "seven hundred eighty-eight million, three hundred twenty-five thousand, two hundred twenty-one".