426311603 has 2 divisors, whose sum is σ = 426311604. Its totient is φ = 426311602.

The previous prime is 426311593. The next prime is 426311623. The reversal of 426311603 is 306113624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426311603 - 2⁶ = 426311539 is a prime.

It is not a weakly prime, because it can be changed into another prime (426311623) 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, 213155801 + 213155802.

It is an arithmetic number, because the mean of its divisors is an integer number (213155802).

Almost surely, 2^426311603 is an apocalyptic number.

426311603 is a deficient number, since it is larger than the sum of its proper divisors (1).

426311603 is an equidigital number, since it uses as much as digits as its factorization.

426311603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 426311603 is about 20647.3146680143. The cubic root of 426311603 is about 752.6199353357.

The spelling of 426311603 in words is "four hundred twenty-six million, three hundred eleven thousand, six hundred three".