5648261 has 4 divisors (see below), whose sum is σ = 5653452. Its totient is φ = 5643072.

The previous prime is 5648239. The next prime is 5648273. The reversal of 5648261 is 1628465.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1628465 = 5 ⋅325693.

It can be written as a sum of positive squares in 2 ways, for example, as 330625 + 5317636 = 575^2 + 2306^2 .

It is a cyclic number.

It is not a de Polignac number, because 5648261 - 2⁶ = 5648197 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 (5648221) 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, 266 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (1413363).

Almost surely, 2^5648261 is an apocalyptic number.

It is an amenable number.

5648261 is a deficient number, since it is larger than the sum of its proper divisors (5191).

5648261 is a wasteful number, since it uses less digits than its factorization.

5648261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190.

The product of its digits is 11520, while the sum is 32.

The square root of 5648261 is about 2376.6070352500. The cubic root of 5648261 is about 178.0894744377.

The spelling of 5648261 in words is "five million, six hundred forty-eight thousand, two hundred sixty-one".