5591041 has 2 divisors, whose sum is σ = 5591042. Its totient is φ = 5591040.

The previous prime is 5591039. The next prime is 5591051. The reversal of 5591041 is 1401955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4016016 + 1575025 = 2004^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 5591041 - 2¹ = 5591039 is a prime.

Together with 5591039, it forms a pair of twin primes.

5591041 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5590997 and 5591015.

It is not a weakly prime, because it can be changed into another prime (5591021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2795520 + 2795521.

It is an arithmetic number, because the mean of its divisors is an integer number (2795521).

It is a Proth number, since it is equal to 1365 ⋅ 2¹² + 1 and 1365 < 2¹².

Almost surely, 2^5591041 is an apocalyptic number.

It is an amenable number.

5591041 is a deficient number, since it is larger than the sum of its proper divisors (1).

5591041 is an equidigital number, since it uses as much as digits as its factorization.

5591041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 5591041 is about 2364.5382213024. The cubic root of 5591041 is about 177.4860506131.

Adding to 5591041 its reverse (1401955), we get a palindrome (6992996).

It can be divided in two parts, 559 and 1041, that added together give a square (1600 = 40²).

The spelling of 5591041 in words is "five million, five hundred ninety-one thousand, forty-one".