5641845 has 32 divisors (see below), whose sum is σ = 10174464. Its totient is φ = 2644800.

The previous prime is 5641843. The next prime is 5641847. The reversal of 5641845 is 5481465.

It is an interprime number because it is at equal distance from previous prime (5641843) and next prime (5641847).

It is not a de Polignac number, because 5641845 - 2¹ = 5641843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4564 + ... + 5666.

It is an arithmetic number, because the mean of its divisors is an integer number (317952).

Almost surely, 2^5641845 is an apocalyptic number.

5641845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5641845 is a deficient number, since it is larger than the sum of its proper divisors (4532619).

5641845 is a wasteful number, since it uses less digits than its factorization.

5641845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its digits is 19200, while the sum is 33.

The square root of 5641845 is about 2375.2568282188. The cubic root of 5641845 is about 178.0220168028.

The spelling of 5641845 in words is "five million, six hundred forty-one thousand, eight hundred forty-five".