5211541 has 2 divisors, whose sum is σ = 5211542. Its totient is φ = 5211540.

The previous prime is 5211539. The next prime is 5211581. The reversal of 5211541 is 1451125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4100625 + 1110916 = 2025^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 5211541 - 2¹ = 5211539 is a prime.

Together with 5211539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5211581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605770 + 2605771.

It is an arithmetic number, because the mean of its divisors is an integer number (2605771).

Almost surely, 2^5211541 is an apocalyptic number.

It is an amenable number.

5211541 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211541 is an equidigital number, since it uses as much as digits as its factorization.

5211541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 200, while the sum is 19.

The square root of 5211541 is about 2282.8799793244. The cubic root of 5211541 is about 173.3758964344.

Adding to 5211541 its reverse (1451125), we get a palindrome (6662666).

The spelling of 5211541 in words is "five million, two hundred eleven thousand, five hundred forty-one".