426925217 has 2 divisors, whose sum is σ = 426925218. Its totient is φ = 426925216.

The previous prime is 426925189. The next prime is 426925223. The reversal of 426925217 is 712529624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345997201 + 80928016 = 18601^2 + 8996^2 .

It is a cyclic number.

It is not a de Polignac number, because 426925217 - 2¹⁰ = 426924193 is a prime.

It is not a weakly prime, because it can be changed into another prime (426925297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213462608 + 213462609.

It is an arithmetic number, because the mean of its divisors is an integer number (213462609).

Almost surely, 2^426925217 is an apocalyptic number.

It is an amenable number.

426925217 is a deficient number, since it is larger than the sum of its proper divisors (1).

426925217 is an equidigital number, since it uses as much as digits as its factorization.

426925217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 426925217 is about 20662.1687390264. The cubic root of 426925217 is about 752.9808581359.

The spelling of 426925217 in words is "four hundred twenty-six million, nine hundred twenty-five thousand, two hundred seventeen".