426255553 has 2 divisors, whose sum is σ = 426255554. Its totient is φ = 426255552.

The previous prime is 426255499. The next prime is 426255563. The reversal of 426255553 is 355552624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277122609 + 149132944 = 16647^2 + 12212^2 .

It is a cyclic number.

It is not a de Polignac number, because 426255553 - 2⁹ = 426255041 is a prime.

It is not a weakly prime, because it can be changed into another prime (426255563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213127776 + 213127777.

It is an arithmetic number, because the mean of its divisors is an integer number (213127777).

Almost surely, 2^426255553 is an apocalyptic number.

It is an amenable number.

426255553 is a deficient number, since it is larger than the sum of its proper divisors (1).

426255553 is an equidigital number, since it uses as much as digits as its factorization.

426255553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180000, while the sum is 37.

The square root of 426255553 is about 20645.9573040341. The cubic root of 426255553 is about 752.5869499200.

The spelling of 426255553 in words is "four hundred twenty-six million, two hundred fifty-five thousand, five hundred fifty-three".