420210313 has 2 divisors, whose sum is σ = 420210314. Its totient is φ = 420210312.

The previous prime is 420210277. The next prime is 420210359. The reversal of 420210313 is 313012024.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257698809 + 162511504 = 16053^2 + 12748^2 .

It is a cyclic number.

It is not a de Polignac number, because 420210313 - 2¹³ = 420202121 is a prime.

It is not a weakly prime, because it can be changed into another prime (420210383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210105156 + 210105157.

It is an arithmetic number, because the mean of its divisors is an integer number (210105157).

Almost surely, 2^420210313 is an apocalyptic number.

It is an amenable number.

420210313 is a deficient number, since it is larger than the sum of its proper divisors (1).

420210313 is an equidigital number, since it uses as much as digits as its factorization.

420210313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 420210313 is about 20499.0320015361. The cubic root of 420210313 is about 749.0122184361.

Adding to 420210313 its reverse (313012024), we get a palindrome (733222337).

The spelling of 420210313 in words is "four hundred twenty million, two hundred ten thousand, three hundred thirteen".