426501349 has 2 divisors, whose sum is σ = 426501350. Its totient is φ = 426501348.

The previous prime is 426501277. The next prime is 426501367. The reversal of 426501349 is 943105624.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219573124 + 206928225 = 14818^2 + 14385^2 .

It is a cyclic number.

It is not a de Polignac number, because 426501349 - 2⁷ = 426501221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426501149) 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, 213250674 + 213250675.

It is an arithmetic number, because the mean of its divisors is an integer number (213250675).

Almost surely, 2^426501349 is an apocalyptic number.

It is an amenable number.

426501349 is a deficient number, since it is larger than the sum of its proper divisors (1).

426501349 is an equidigital number, since it uses as much as digits as its factorization.

426501349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 426501349 is about 20651.9090885080. The cubic root of 426501349 is about 752.7315793689.

The spelling of 426501349 in words is "four hundred twenty-six million, five hundred one thousand, three hundred forty-nine".