5645975 has 6 divisors (see below), whose sum is σ = 7001040. Its totient is φ = 4516760.

The previous prime is 5645957. The next prime is 5646019. The reversal of 5645975 is 5795465.

It is not a de Polignac number, because 5645975 - 2⁶ = 5645911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112895 + ... + 112944.

It is an arithmetic number, because the mean of its divisors is an integer number (1166840).

Almost surely, 2^5645975 is an apocalyptic number.

5645975 is a deficient number, since it is larger than the sum of its proper divisors (1355065).

5645975 is a wasteful number, since it uses less digits than its factorization.

5645975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225849 (or 225844 counting only the distinct ones).

The product of its digits is 189000, while the sum is 41.

The square root of 5645975 is about 2376.1260488451. The cubic root of 5645975 is about 178.0654453620.

The spelling of 5645975 in words is "five million, six hundred forty-five thousand, nine hundred seventy-five".