426757 has 2 divisors, whose sum is σ = 426758. Its totient is φ = 426756.

The previous prime is 426743. The next prime is 426761. The reversal of 426757 is 757624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 410881 + 15876 = 641^2 + 126^2 .

It is a cyclic number.

It is not a de Polignac number, because 426757 - 2¹¹ = 424709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213378 + 213379.

It is an arithmetic number, because the mean of its divisors is an integer number (213379).

2⁴²⁶⁷⁵⁷ is an apocalyptic number.

It is an amenable number.

426757 is a deficient number, since it is larger than the sum of its proper divisors (1).

426757 is an equidigital number, since it uses as much as digits as its factorization.

426757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 31.

The square root of 426757 is about 653.2664081368. The cubic root of 426757 is about 75.2881948682.

The spelling of 426757 in words is "four hundred twenty-six thousand, seven hundred fifty-seven".