5645901 has 8 divisors (see below), whose sum is σ = 7538944. Its totient is φ = 3758400.

The previous prime is 5645891. The next prime is 5645903. The reversal of 5645901 is 1095465.

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

It is not a de Polignac number, because 5645901 - 2¹⁸ = 5383757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820 + ... + 4386.

It is an arithmetic number, because the mean of its divisors is an integer number (942368).

Almost surely, 2^5645901 is an apocalyptic number.

It is an amenable number.

5645901 is a deficient number, since it is larger than the sum of its proper divisors (1893043).

5645901 is a wasteful number, since it uses less digits than its factorization.

5645901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 5645901 is about 2376.1104772295. The cubic root of 5645901 is about 178.0646674095.

The spelling of 5645901 in words is "five million, six hundred forty-five thousand, nine hundred one".