426325189 has 2 divisors, whose sum is σ = 426325190. Its totient is φ = 426325188.

The previous prime is 426325187. The next prime is 426325213. The reversal of 426325189 is 981523624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256544289 + 169780900 = 16017^2 + 13030^2 .

It is a cyclic number.

It is not a de Polignac number, because 426325189 - 2¹ = 426325187 is a prime.

Together with 426325187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426325181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213162594 + 213162595.

It is an arithmetic number, because the mean of its divisors is an integer number (213162595).

Almost surely, 2^426325189 is an apocalyptic number.

It is an amenable number.

426325189 is a deficient number, since it is larger than the sum of its proper divisors (1).

426325189 is an equidigital number, since it uses as much as digits as its factorization.

426325189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 426325189 is about 20647.6436670144. The cubic root of 426325189 is about 752.6279302591.

The spelling of 426325189 in words is "four hundred twenty-six million, three hundred twenty-five thousand, one hundred eighty-nine".