424013543 has 4 divisors (see below), whose sum is σ = 424265688. Its totient is φ = 423761400.

The previous prime is 424013539. The next prime is 424013563. The reversal of 424013543 is 345310424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424013543 - 2² = 424013539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424013563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123533 + ... + 126918.

It is an arithmetic number, because the mean of its divisors is an integer number (106066422).

Almost surely, 2^424013543 is an apocalyptic number.

424013543 is a deficient number, since it is larger than the sum of its proper divisors (252145).

424013543 is a wasteful number, since it uses less digits than its factorization.

424013543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252144.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 424013543 is about 20591.5891324589. The cubic root of 424013543 is about 751.2651494034.

Adding to 424013543 its reverse (345310424), we get a palindrome (769323967).

The spelling of 424013543 in words is "four hundred twenty-four million, thirteen thousand, five hundred forty-three".