5805641 has 4 divisors (see below), whose sum is σ = 5947284. Its totient is φ = 5664000.

The previous prime is 5805629. The next prime is 5805671. The reversal of 5805641 is 1465085.

It is a happy number.

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 3312400 + 2493241 = 1820^2 + 1579^2 .

It is a cyclic number.

It is not a de Polignac number, because 5805641 - 2⁶ = 5805577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5805671) 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, 70760 + ... + 70841.

It is an arithmetic number, because the mean of its divisors is an integer number (1486821).

Almost surely, 2^5805641 is an apocalyptic number.

It is an amenable number.

5805641 is a deficient number, since it is larger than the sum of its proper divisors (141643).

5805641 is a wasteful number, since it uses less digits than its factorization.

5805641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141642.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 5805641 is about 2409.4897800157. The cubic root of 5805641 is about 179.7284072863.

It can be divided in two parts, 5805 and 641, that added together give a palindrome (6446).

The spelling of 5805641 in words is "five million, eight hundred five thousand, six hundred forty-one".