420413353 has 2 divisors, whose sum is σ = 420413354. Its totient is φ = 420413352.

The previous prime is 420413341. The next prime is 420413359. The reversal of 420413353 is 353314024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324432144 + 95981209 = 18012^2 + 9797^2 .

It is a cyclic number.

It is not a de Polignac number, because 420413353 - 2⁵ = 420413321 is a prime.

It is not a weakly prime, because it can be changed into another prime (420413359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210206676 + 210206677.

It is an arithmetic number, because the mean of its divisors is an integer number (210206677).

Almost surely, 2^420413353 is an apocalyptic number.

It is an amenable number.

420413353 is a deficient number, since it is larger than the sum of its proper divisors (1).

420413353 is an equidigital number, since it uses as much as digits as its factorization.

420413353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 420413353 is about 20503.9838324166. The cubic root of 420413353 is about 749.1328365714.

Adding to 420413353 its reverse (353314024), we get a palindrome (773727377).

The spelling of 420413353 in words is "four hundred twenty million, four hundred thirteen thousand, three hundred fifty-three".