426973 has 2 divisors, whose sum is σ = 426974. Its totient is φ = 426972.

The previous prime is 426971. The next prime is 426997. The reversal of 426973 is 379624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284089 + 142884 = 533^2 + 378^2 .

It is a cyclic number.

It is not a de Polignac number, because 426973 - 2¹ = 426971 is a prime.

Together with 426971, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 4⁹ + 2⁹ + 9 + 6⁶ + 7⁶ + 3 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213486 + 213487.

It is an arithmetic number, because the mean of its divisors is an integer number (213487).

2⁴²⁶⁹⁷³ is an apocalyptic number.

It is an amenable number.

426973 is a deficient number, since it is larger than the sum of its proper divisors (1).

426973 is an equidigital number, since it uses as much as digits as its factorization.

426973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 426973 is about 653.4317102804. The cubic root of 426973 is about 75.3008949193.

The spelling of 426973 in words is "four hundred twenty-six thousand, nine hundred seventy-three".