6352823221 has 2 divisors, whose sum is σ = 6352823222. Its totient is φ = 6352823220.

The previous prime is 6352823209. The next prime is 6352823233. The reversal of 6352823221 is 1223282536.

It is a balanced prime because it is at equal distance from previous prime (6352823209) and next prime (6352823233).

It can be written as a sum of positive squares in only one way, i.e., 4723812900 + 1629010321 = 68730^2 + 40361^2 .

It is a cyclic number.

It is not a de Polignac number, because 6352823221 - 2⁵ = 6352823189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6352823821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3176411610 + 3176411611.

It is an arithmetic number, because the mean of its divisors is an integer number (3176411611).

Almost surely, 2^6352823221 is an apocalyptic number.

It is an amenable number.

6352823221 is a deficient number, since it is larger than the sum of its proper divisors (1).

6352823221 is an equidigital number, since it uses as much as digits as its factorization.

6352823221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 6352823221 is about 79704.5997480697. The cubic root of 6352823221 is about 1852.0622944004.

The spelling of 6352823221 in words is "six billion, three hundred fifty-two million, eight hundred twenty-three thousand, two hundred twenty-one".