5211919 has 2 divisors, whose sum is σ = 5211920. Its totient is φ = 5211918.

The previous prime is 5211881. The next prime is 5211949. The reversal of 5211919 is 9191125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5211919 - 2¹⁵ = 5179151 is a prime.

It is a super-2 number, since 2×5211919² = 54328199325122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5211949) 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 as a sum of consecutive naturals, namely, 2605959 + 2605960.

It is an arithmetic number, because the mean of its divisors is an integer number (2605960).

Almost surely, 2^5211919 is an apocalyptic number.

5211919 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211919 is an equidigital number, since it uses as much as digits as its factorization.

5211919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 28.

The square root of 5211919 is about 2282.9627679837. The cubic root of 5211919 is about 173.3800880612.

The spelling of 5211919 in words is "five million, two hundred eleven thousand, nine hundred nineteen".