5807645 has 4 divisors (see below), whose sum is σ = 6969180. Its totient is φ = 4646112.

The previous prime is 5807621. The next prime is 5807647. The reversal of 5807645 is 5467085.

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 4468996 + 1338649 = 2114^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 5807645 - 2¹² = 5803549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5807647) 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, 580760 + ... + 580769.

It is an arithmetic number, because the mean of its divisors is an integer number (1742295).

Almost surely, 2^5807645 is an apocalyptic number.

It is an amenable number.

5807645 is a deficient number, since it is larger than the sum of its proper divisors (1161535).

5807645 is a wasteful number, since it uses less digits than its factorization.

5807645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161534.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 5807645 is about 2409.9055998109. The cubic root of 5807645 is about 179.7490845491.

The spelling of 5807645 in words is "five million, eight hundred seven thousand, six hundred forty-five".