5243261 has 4 divisors (see below), whose sum is σ = 5257692. Its totient is φ = 5228832.

The previous prime is 5243243. The next prime is 5243263. The reversal of 5243261 is 1623425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1223236 + 4020025 = 1106^2 + 2005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5243261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243263) 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, 6656 + ... + 7401.

It is an arithmetic number, because the mean of its divisors is an integer number (1314423).

Almost surely, 2^5243261 is an apocalyptic number.

It is an amenable number.

5243261 is a deficient number, since it is larger than the sum of its proper divisors (14431).

5243261 is a wasteful number, since it uses less digits than its factorization.

5243261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430.

The product of its digits is 1440, while the sum is 23.

The square root of 5243261 is about 2289.8168048995. The cubic root of 5243261 is about 173.7269355027.

Adding to 5243261 its reverse (1623425), we get a palindrome (6866686).

The spelling of 5243261 in words is "five million, two hundred forty-three thousand, two hundred sixty-one".