5247971 has 4 divisors (see below), whose sum is σ = 5524200. Its totient is φ = 4971744.

The previous prime is 5247967. The next prime is 5247997. The reversal of 5247971 is 1797425.

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 5247971 - 2² = 5247967 is a prime.

It is a Duffinian number.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5247911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138086 + ... + 138123.

It is an arithmetic number, because the mean of its divisors is an integer number (1381050).

Almost surely, 2^5247971 is an apocalyptic number.

5247971 is a deficient number, since it is larger than the sum of its proper divisors (276229).

5247971 is a wasteful number, since it uses less digits than its factorization.

5247971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276228.

The product of its digits is 17640, while the sum is 35.

The square root of 5247971 is about 2290.8450405909. The cubic root of 5247971 is about 173.7789393337.

The spelling of 5247971 in words is "five million, two hundred forty-seven thousand, nine hundred seventy-one".