426450331 has 2 divisors, whose sum is σ = 426450332. Its totient is φ = 426450330.

The previous prime is 426450313. The next prime is 426450359. The reversal of 426450331 is 133054624.

Together with previous prime (426450313) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (426450359) can be obtained adding 426450331 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426450331 - 2¹⁷ = 426319259 is a prime.

It is a super-2 number, since 2×426450331² = 363719769620019122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426450331.

It is not a weakly prime, because it can be changed into another prime (426450301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213225165 + 213225166.

It is an arithmetic number, because the mean of its divisors is an integer number (213225166).

Almost surely, 2^426450331 is an apocalyptic number.

426450331 is a deficient number, since it is larger than the sum of its proper divisors (1).

426450331 is an equidigital number, since it uses as much as digits as its factorization.

426450331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 426450331 is about 20650.6738630971. The cubic root of 426450331 is about 752.7015643087.

The spelling of 426450331 in words is "four hundred twenty-six million, four hundred fifty thousand, three hundred thirty-one".