426125617 has 2 divisors, whose sum is σ = 426125618. Its totient is φ = 426125616.

The previous prime is 426125611. The next prime is 426125629. The reversal of 426125617 is 716521624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422754721 + 3370896 = 20561^2 + 1836^2 .

It is a cyclic number.

It is not a de Polignac number, because 426125617 - 2²³ = 417737009 is a prime.

It is not a weakly prime, because it can be changed into another prime (426125611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213062808 + 213062809.

It is an arithmetic number, because the mean of its divisors is an integer number (213062809).

Almost surely, 2^426125617 is an apocalyptic number.

It is an amenable number.

426125617 is a deficient number, since it is larger than the sum of its proper divisors (1).

426125617 is an equidigital number, since it uses as much as digits as its factorization.

426125617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 426125617 is about 20642.8102980190. The cubic root of 426125617 is about 752.5104714826.

The spelling of 426125617 in words is "four hundred twenty-six million, one hundred twenty-five thousand, six hundred seventeen".