426213617 has 2 divisors, whose sum is σ = 426213618. Its totient is φ = 426213616.

The previous prime is 426213607. The next prime is 426213629. The reversal of 426213617 is 716312624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377758096 + 48455521 = 19436^2 + 6961^2 .

It is a cyclic number.

It is not a de Polignac number, because 426213617 - 2²² = 422019313 is a prime.

It is not a weakly prime, because it can be changed into another prime (426213607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213106808 + 213106809.

It is an arithmetic number, because the mean of its divisors is an integer number (213106809).

Almost surely, 2^426213617 is an apocalyptic number.

It is an amenable number.

426213617 is a deficient number, since it is larger than the sum of its proper divisors (1).

426213617 is an equidigital number, since it uses as much as digits as its factorization.

426213617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 426213617 is about 20644.9416807120. The cubic root of 426213617 is about 752.5622686999.

The spelling of 426213617 in words is "four hundred twenty-six million, two hundred thirteen thousand, six hundred seventeen".