5645307 has 4 divisors (see below), whose sum is σ = 7527080. Its totient is φ = 3763536.

The previous prime is 5645293. The next prime is 5645323. The reversal of 5645307 is 7035465.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5645307 - 2⁴ = 5645291 is a prime.

It is a super-2 number, since 2×5645307² = 63738982248498, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

5645307 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5645347) 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, 940882 + ... + 940887.

It is an arithmetic number, because the mean of its divisors is an integer number (1881770).

Almost surely, 2^5645307 is an apocalyptic number.

5645307 is a deficient number, since it is larger than the sum of its proper divisors (1881773).

5645307 is a wasteful number, since it uses less digits than its factorization.

5645307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881772.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 5645307 is about 2375.9854797536. The cubic root of 5645307 is about 178.0584225177.

The spelling of 5645307 in words is "five million, six hundred forty-five thousand, three hundred seven".