5430442 has 4 divisors (see below), whose sum is σ = 8145666. Its totient is φ = 2715220.

The previous prime is 5430431. The next prime is 5430443. The reversal of 5430442 is 2440345.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2440345 = 5 ⋅488069.

It can be written as a sum of positive squares in only one way, i.e., 3272481 + 2157961 = 1809^2 + 1469^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5430443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1357609 + ... + 1357612.

Almost surely, 2^5430442 is an apocalyptic number.

5430442 is a deficient number, since it is larger than the sum of its proper divisors (2715224).

5430442 is a wasteful number, since it uses less digits than its factorization.

5430442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715223.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 5430442 is about 2330.3308777940. The cubic root of 5430442 is about 175.7701243019.

Adding to 5430442 its reverse (2440345), we get a palindrome (7870787).

The spelling of 5430442 in words is "five million, four hundred thirty thousand, four hundred forty-two".