424542 has 16 divisors (see below), whose sum is σ = 856080. Its totient is φ = 140352.

The previous prime is 424537. The next prime is 424547. The reversal of 424542 is 245424.

It is an interprime number because it is at equal distance from previous prime (424537) and next prime (424547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834 + ... + 1242.

It is an arithmetic number, because the mean of its divisors is an integer number (53505).

2⁴²⁴⁵⁴² is an apocalyptic number.

424542 is an abundant number, since it is smaller than the sum of its proper divisors (431538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424542 is a wasteful number, since it uses less digits than its factorization.

424542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587.

The product of its digits is 1280, while the sum is 21.

The square root of 424542 is about 651.5688758681. The cubic root of 424542 is about 75.1577125686.

Adding to 424542 its reverse (245424), we get a palindrome (669966).

The spelling of 424542 in words is "four hundred twenty-four thousand, five hundred forty-two".