420324353 has 2 divisors, whose sum is σ = 420324354. Its totient is φ = 420324352.

The previous prime is 420324313. The next prime is 420324361. The reversal of 420324353 is 353423024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418939024 + 1385329 = 20468^2 + 1177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420324353 is a prime.

It is not a weakly prime, because it can be changed into another prime (420324313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210162176 + 210162177.

It is an arithmetic number, because the mean of its divisors is an integer number (210162177).

Almost surely, 2^420324353 is an apocalyptic number.

It is an amenable number.

420324353 is a deficient number, since it is larger than the sum of its proper divisors (1).

420324353 is an equidigital number, since it uses as much as digits as its factorization.

420324353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 420324353 is about 20501.8134075989. The cubic root of 420324353 is about 749.0799699285.

Adding to 420324353 its reverse (353423024), we get a palindrome (773747377).

The spelling of 420324353 in words is "four hundred twenty million, three hundred twenty-four thousand, three hundred fifty-three".