5247121 has 4 divisors (see below), whose sum is σ = 5724144. Its totient is φ = 4770100.

The previous prime is 5247119. The next prime is 5247131. The reversal of 5247121 is 1217425.

It is a happy number.

5247121 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5247121 - 2¹ = 5247119 is a prime.

It is a super-3 number, since 3×5247121³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5247092 and 5247101.

It is not an unprimeable number, because it can be changed into a prime (5247131) 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, 238495 + ... + 238516.

It is an arithmetic number, because the mean of its divisors is an integer number (1431036).

Almost surely, 2^5247121 is an apocalyptic number.

It is an amenable number.

5247121 is a deficient number, since it is larger than the sum of its proper divisors (477023).

5247121 is a wasteful number, since it uses less digits than its factorization.

5247121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477022.

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

The square root of 5247121 is about 2290.6595120183. The cubic root of 5247121 is about 173.7695566552.

The spelling of 5247121 in words is "five million, two hundred forty-seven thousand, one hundred twenty-one".