1000424543 has 2 divisors, whose sum is σ = 1000424544. Its totient is φ = 1000424542.

The previous prime is 1000424521. The next prime is 1000424549. The reversal of 1000424543 is 3454240001.

It is a strong prime.

It is an emirp because it is prime and its reverse (3454240001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000424543 - 2²² = 996230239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000424549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500212271 + 500212272.

It is an arithmetic number, because the mean of its divisors is an integer number (500212272).

Almost surely, 2^1000424543 is an apocalyptic number.

1000424543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000424543 is an equidigital number, since it uses as much as digits as its factorization.

1000424543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1000424543 is about 31629.4885036100. The cubic root of 1000424543 is about 1000.1414943117.

Adding to 1000424543 its reverse (3454240001), we get a palindrome (4454664544).

The spelling of 1000424543 in words is "one billion, four hundred twenty-four thousand, five hundred forty-three".