5641191 has 8 divisors (see below), whose sum is σ = 8357360. Its totient is φ = 3760776.

The previous prime is 5641189. The next prime is 5641201. The reversal of 5641191 is 1911465.

5641191 is a `hidden beast` number, since 5 + 641 + 19 + 1 = 666.

It is not a de Polignac number, because 5641191 - 2¹ = 5641189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 208933 = 5641191 / (5 + 6 + 4 + 1 + 1 + 9 + 1).

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641121) 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, 104440 + ... + 104493.

It is an arithmetic number, because the mean of its divisors is an integer number (1044670).

Almost surely, 2^5641191 is an apocalyptic number.

5641191 is a deficient number, since it is larger than the sum of its proper divisors (2716169).

5641191 is a wasteful number, since it uses less digits than its factorization.

5641191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208942 (or 208936 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 5641191 is about 2375.1191549057. The cubic root of 5641191 is about 178.0151377944.

It can be divided in two parts, 5641 and 191, that added together give a cube (5832 = 18³).

The spelling of 5641191 in words is "five million, six hundred forty-one thousand, one hundred ninety-one".