5645725 has 6 divisors (see below), whose sum is σ = 7000730. Its totient is φ = 4516560.

The previous prime is 5645723. The next prime is 5645729. The reversal of 5645725 is 5275465.

It can be written as a sum of positive squares in 3 ways, for example, as 1006009 + 4639716 = 1003^2 + 2154^2 .

It is not a de Polignac number, because 5645725 - 2¹ = 5645723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112890 + ... + 112939.

Almost surely, 2^5645725 is an apocalyptic number.

It is an amenable number.

5645725 is a deficient number, since it is larger than the sum of its proper divisors (1355005).

5645725 is a wasteful number, since it uses less digits than its factorization.

5645725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225839 (or 225834 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 5645725 is about 2376.0734416259. The cubic root of 5645725 is about 178.0628171169.

The spelling of 5645725 in words is "five million, six hundred forty-five thousand, seven hundred twenty-five".