5142271 has 4 divisors (see below), whose sum is σ = 5365872. Its totient is φ = 4918672.

The previous prime is 5142259. The next prime is 5142289. The reversal of 5142271 is 1722415.

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: 1722415 = 5 ⋅344483.

It is a cyclic number.

It is not a de Polignac number, because 5142271 - 2¹³ = 5134079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5140271) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 111766 + ... + 111811.

It is an arithmetic number, because the mean of its divisors is an integer number (1341468).

Almost surely, 2^5142271 is an apocalyptic number.

5142271 is a deficient number, since it is larger than the sum of its proper divisors (223601).

5142271 is a wasteful number, since it uses less digits than its factorization.

5142271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223600.

The product of its digits is 560, while the sum is 22.

The square root of 5142271 is about 2267.6576020202. The cubic root of 5142271 is about 172.6043169353.

Adding to 5142271 its reverse (1722415), we get a palindrome (6864686).

The spelling of 5142271 in words is "five million, one hundred forty-two thousand, two hundred seventy-one".