5201971 has 4 divisors (see below), whose sum is σ = 5290200. Its totient is φ = 5113744.

The previous prime is 5201969. The next prime is 5201981. The reversal of 5201971 is 1791025.

5201971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5201971 - 2¹ = 5201969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5201951) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 44026 + ... + 44143.

It is an arithmetic number, because the mean of its divisors is an integer number (1322550).

Almost surely, 2^5201971 is an apocalyptic number.

5201971 is a deficient number, since it is larger than the sum of its proper divisors (88229).

5201971 is an equidigital number, since it uses as much as digits as its factorization.

5201971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88228.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 5201971 is about 2280.7829795928. The cubic root of 5201971 is about 173.2697074990.

Adding to 5201971 its reverse (1791025), we get a palindrome (6992996).

The spelling of 5201971 in words is "five million, two hundred one thousand, nine hundred seventy-one".