424684543 has 2 divisors, whose sum is σ = 424684544. Its totient is φ = 424684542.

The previous prime is 424684511. The next prime is 424684549. The reversal of 424684543 is 345486424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424684543 - 2⁵ = 424684511 is a prime.

It is a super-2 number, since 2×424684543² = 360713922126237698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424684496 and 424684505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424684549) 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, 212342271 + 212342272.

It is an arithmetic number, because the mean of its divisors is an integer number (212342272).

Almost surely, 2^424684543 is an apocalyptic number.

424684543 is a deficient number, since it is larger than the sum of its proper divisors (1).

424684543 is an equidigital number, since it uses as much as digits as its factorization.

424684543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 40.

The square root of 424684543 is about 20607.8757517605. The cubic root of 424684543 is about 751.6612320643.

The spelling of 424684543 in words is "four hundred twenty-four million, six hundred eighty-four thousand, five hundred forty-three".