426543451 has 2 divisors, whose sum is σ = 426543452. Its totient is φ = 426543450.

The previous prime is 426543443. The next prime is 426543479. The reversal of 426543451 is 154345624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426543451 - 2³ = 426543443 is a prime.

It is equal to p_22674184 and since 426543451 and 22674184 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (426543401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213271725 + 213271726.

It is an arithmetic number, because the mean of its divisors is an integer number (213271726).

Almost surely, 2^426543451 is an apocalyptic number.

426543451 is a deficient number, since it is larger than the sum of its proper divisors (1).

426543451 is an equidigital number, since it uses as much as digits as its factorization.

426543451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 34.

The square root of 426543451 is about 20652.9283880035. The cubic root of 426543451 is about 752.7563471391.

The spelling of 426543451 in words is "four hundred twenty-six million, five hundred forty-three thousand, four hundred fifty-one".