426341857 has 2 divisors, whose sum is σ = 426341858. Its totient is φ = 426341856.

The previous prime is 426341843. The next prime is 426341863. The reversal of 426341857 is 758143624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323136576 + 103205281 = 17976^2 + 10159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426341857 is a prime.

It is not a weakly prime, because it can be changed into another prime (426341887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213170928 + 213170929.

It is an arithmetic number, because the mean of its divisors is an integer number (213170929).

Almost surely, 2^426341857 is an apocalyptic number.

It is an amenable number.

426341857 is a deficient number, since it is larger than the sum of its proper divisors (1).

426341857 is an equidigital number, since it uses as much as digits as its factorization.

426341857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 426341857 is about 20648.0472926618. The cubic root of 426341857 is about 752.6377386082.

The spelling of 426341857 in words is "four hundred twenty-six million, three hundred forty-one thousand, eight hundred fifty-seven".