5142715221 has 12 divisors (see below), whose sum is σ = 7837019232. Its totient is φ = 2938506624.

The previous prime is 5142715159. The next prime is 5142715223. The reversal of 5142715221 is 1225172415.

It is a happy number.

It is not a de Polignac number, because 5142715221 - 2⁷ = 5142715093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142715223) 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 11 ways as a sum of consecutive naturals, for example, 320805 + ... + 336453.

It is an arithmetic number, because the mean of its divisors is an integer number (653084936).

Almost surely, 2^5142715221 is an apocalyptic number.

It is an amenable number.

5142715221 is a deficient number, since it is larger than the sum of its proper divisors (2694304011).

5142715221 is an frugal number, since it uses more digits than its factorization.

5142715221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31308 (or 15659 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 5142715221 is about 71712.7270503639. The cubic root of 5142715221 is about 1726.0928699973.

Adding to 5142715221 its reverse (1225172415), we get a palindrome (6367887636).

The spelling of 5142715221 in words is "five billion, one hundred forty-two million, seven hundred fifteen thousand, two hundred twenty-one".