5400242 has 4 divisors (see below), whose sum is σ = 8100366. Its totient is φ = 2700120.

The previous prime is 5400221. The next prime is 5400257. The reversal of 5400242 is 2420045.

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

It can be written as a sum of positive squares in only one way, i.e., 3236401 + 2163841 = 1799^2 + 1471^2 .

It is a super-2 number, since 2×5400242² = 58325227317128, 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 5400242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1350059 + ... + 1350062.

Almost surely, 2^5400242 is an apocalyptic number.

5400242 is a deficient number, since it is larger than the sum of its proper divisors (2700124).

5400242 is a wasteful number, since it uses less digits than its factorization.

5400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700123.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 5400242 is about 2323.8420772505. The cubic root of 5400242 is about 175.4436850399.

Adding to 5400242 its reverse (2420045), we get a palindrome (7820287).

The spelling of 5400242 in words is "five million, four hundred thousand, two hundred forty-two".