426400201 has 2 divisors, whose sum is σ = 426400202. Its totient is φ = 426400200.

The previous prime is 426400141. The next prime is 426400217. The reversal of 426400201 is 102004624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261662976 + 164737225 = 16176^2 + 12835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426400201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (426400301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213200100 + 213200101.

It is an arithmetic number, because the mean of its divisors is an integer number (213200101).

Almost surely, 2^426400201 is an apocalyptic number.

It is an amenable number.

426400201 is a deficient number, since it is larger than the sum of its proper divisors (1).

426400201 is an equidigital number, since it uses as much as digits as its factorization.

426400201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 426400201 is about 20649.4600655804. The cubic root of 426400201 is about 752.6720693474.

Adding to 426400201 its reverse (102004624), we get a palindrome (528404825).

The spelling of 426400201 in words is "four hundred twenty-six million, four hundred thousand, two hundred one".