426651539 has 2 divisors, whose sum is σ = 426651540. Its totient is φ = 426651538.

The previous prime is 426651521. The next prime is 426651553. The reversal of 426651539 is 935156624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426651539 - 2¹⁶ = 426586003 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 426651496 and 426651505.

It is not a weakly prime, because it can be changed into another prime (426651439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213325769 + 213325770.

It is an arithmetic number, because the mean of its divisors is an integer number (213325770).

Almost surely, 2^426651539 is an apocalyptic number.

426651539 is a deficient number, since it is larger than the sum of its proper divisors (1).

426651539 is an equidigital number, since it uses as much as digits as its factorization.

426651539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The square root of 426651539 is about 20655.5449940204. The cubic root of 426651539 is about 752.8199257001.

The spelling of 426651539 in words is "four hundred twenty-six million, six hundred fifty-one thousand, five hundred thirty-nine".