5644261 has 12 divisors (see below), whose sum is σ = 6624768. Its totient is φ = 4794552.

The previous prime is 5644259. The next prime is 5644267. The reversal of 5644261 is 1624465.

It is not a de Polignac number, because 5644261 - 2¹ = 5644259 is a prime.

It is a super-2 number, since 2×5644261² = 63715364472242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5770 + ... + 6676.

It is an arithmetic number, because the mean of its divisors is an integer number (552064).

Almost surely, 2^5644261 is an apocalyptic number.

It is an amenable number.

5644261 is a deficient number, since it is larger than the sum of its proper divisors (980507).

5644261 is a wasteful number, since it uses less digits than its factorization.

5644261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1041 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 5644261 is about 2375.7653503661. The cubic root of 5644261 is about 178.0474245558.

The spelling of 5644261 in words is "five million, six hundred forty-four thousand, two hundred sixty-one".