5430042 has 12 divisors (see below), whose sum is σ = 11765130. Its totient is φ = 1810008.

The previous prime is 5430023. The next prime is 5430043. The reversal of 5430042 is 2400345.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4835601 + 594441 = 2199^2 + 771^2 .

It is a super-2 number, since 2×5430042² = 58970712243528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 301669 = 5430042 / (5 + 4 + 3 + 0 + 0 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 5429997 and 5430024.

It is not an unprimeable number, because it can be changed into a prime (5430043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150817 + ... + 150852.

Almost surely, 2^5430042 is an apocalyptic number.

5430042 is an abundant number, since it is smaller than the sum of its proper divisors (6335088).

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

5430042 is a wasteful number, since it uses less digits than its factorization.

5430042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301677 (or 301674 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 5430042 is about 2330.2450514914. The cubic root of 5430042 is about 175.7658085221.

Adding to 5430042 its reverse (2400345), we get a palindrome (7830387).

The spelling of 5430042 in words is "five million, four hundred thirty thousand, forty-two".