5242738 has 4 divisors (see below), whose sum is σ = 7864110. Its totient is φ = 2621368.

The previous prime is 5242729. The next prime is 5242763. The reversal of 5242738 is 8372425.

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., 3073009 + 2169729 = 1753^2 + 1473^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310683 + ... + 1310686.

Almost surely, 2^5242738 is an apocalyptic number.

5242738 is a deficient number, since it is larger than the sum of its proper divisors (2621372).

5242738 is a wasteful number, since it uses less digits than its factorization.

5242738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621371.

The product of its digits is 13440, while the sum is 31.

The square root of 5242738 is about 2289.7026007759. The cubic root of 5242738 is about 173.7211590588.

The spelling of 5242738 in words is "five million, two hundred forty-two thousand, seven hundred thirty-eight".