426397201 has 2 divisors, whose sum is σ = 426397202. Its totient is φ = 426397200.

The previous prime is 426397187. The next prime is 426397229. The reversal of 426397201 is 102793624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235929600 + 190467601 = 15360^2 + 13801^2 .

It is a cyclic number.

It is not a de Polignac number, because 426397201 - 2¹⁷ = 426266129 is a prime.

It is not a weakly prime, because it can be changed into another prime (426397261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213198600 + 213198601.

It is an arithmetic number, because the mean of its divisors is an integer number (213198601).

Almost surely, 2^426397201 is an apocalyptic number.

It is an amenable number.

426397201 is a deficient number, since it is larger than the sum of its proper divisors (1).

426397201 is an equidigital number, since it uses as much as digits as its factorization.

426397201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 426397201 is about 20649.3874243281. The cubic root of 426397201 is about 752.6703041657.

The spelling of 426397201 in words is "four hundred twenty-six million, three hundred ninety-seven thousand, two hundred one".