5645181 has 8 divisors (see below), whose sum is σ = 7611840. Its totient is φ = 3720992.

The previous prime is 5645177. The next prime is 5645191. The reversal of 5645181 is 1815465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5645181 - 2² = 5645177 is a prime.

It is a super-2 number, since 2×5645181² = 63736137045522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10305 + ... + 10838.

It is an arithmetic number, because the mean of its divisors is an integer number (951480).

Almost surely, 2^5645181 is an apocalyptic number.

It is an amenable number.

5645181 is a deficient number, since it is larger than the sum of its proper divisors (1966659).

5645181 is a wasteful number, since it uses less digits than its factorization.

5645181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21235.

The product of its digits is 4800, while the sum is 30.

The square root of 5645181 is about 2375.9589642921. The cubic root of 5645181 is about 178.0570977874.

The spelling of 5645181 in words is "five million, six hundred forty-five thousand, one hundred eighty-one".