5263121 has 4 divisors (see below), whose sum is σ = 5267892. Its totient is φ = 5258352.

The previous prime is 5263109. The next prime is 5263169. The reversal of 5263121 is 1213625.

5263121 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 brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3478225 + 1784896 = 1865^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 5263121 - 2¹⁰ = 5262097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5263093 and 5263102.

It is not an unprimeable number, because it can be changed into a prime (5262121) 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, 215 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (1316973).

Almost surely, 2^5263121 is an apocalyptic number.

It is an amenable number.

5263121 is a deficient number, since it is larger than the sum of its proper divisors (4771).

5263121 is a wasteful number, since it uses less digits than its factorization.

5263121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770.

The product of its digits is 360, while the sum is 20.

The square root of 5263121 is about 2294.1492976701. The cubic root of 5263121 is about 173.9460020932.

Adding to 5263121 its reverse (1213625), we get a palindrome (6476746).

The spelling of 5263121 in words is "five million, two hundred sixty-three thousand, one hundred twenty-one".