5809745 has 4 divisors (see below), whose sum is σ = 6971700. Its totient is φ = 4647792.

The previous prime is 5809729. The next prime is 5809747. The reversal of 5809745 is 5479085.

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 1615441 + 4194304 = 1271^2 + 2048^2 .

It is a cyclic number.

It is not a de Polignac number, because 5809745 - 2⁴ = 5809729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5809699 and 5809708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5809747) 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, 580970 + ... + 580979.

It is an arithmetic number, because the mean of its divisors is an integer number (1742925).

Almost surely, 2^5809745 is an apocalyptic number.

It is an amenable number.

5809745 is a deficient number, since it is larger than the sum of its proper divisors (1161955).

5809745 is a wasteful number, since it uses less digits than its factorization.

5809745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161954.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 5809745 is about 2410.3412621453. The cubic root of 5809745 is about 179.7707472362.

The spelling of 5809745 in words is "five million, eight hundred nine thousand, seven hundred forty-five".