424542243 has 16 divisors (see below), whose sum is σ = 581865120. Its totient is φ = 275218944.

The previous prime is 424542233. The next prime is 424542253. The reversal of 424542243 is 342245424.

It is an interprime number because it is at equal distance from previous prime (424542233) and next prime (424542253).

It is not a de Polignac number, because 424542243 - 2¹³ = 424534051 is a prime.

It is a super-2 number, since 2×424542243² = 360472232182942098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 424542243.

It is not an unprimeable number, because it can be changed into a prime (424542233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6153 + ... + 29781.

It is an arithmetic number, because the mean of its divisors is an integer number (36366570).

Almost surely, 2^424542243 is an apocalyptic number.

424542243 is a deficient number, since it is larger than the sum of its proper divisors (157322877).

424542243 is a wasteful number, since it uses less digits than its factorization.

424542243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23798.

The product of its digits is 30720, while the sum is 30.

The square root of 424542243 is about 20604.4228989797. The cubic root of 424542243 is about 751.5772690822.

Adding to 424542243 its reverse (342245424), we get a palindrome (766787667).

The spelling of 424542243 in words is "four hundred twenty-four million, five hundred forty-two thousand, two hundred forty-three".