5211331 has 4 divisors (see below), whose sum is σ = 5309712. Its totient is φ = 5112952.

The previous prime is 5211307. The next prime is 5211347. The reversal of 5211331 is 1331125.

5211331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5211331 - 2¹¹ = 5209283 is a prime.

It is a super-2 number, since 2×5211331² = 54315941583122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49111 + ... + 49216.

It is an arithmetic number, because the mean of its divisors is an integer number (1327428).

Almost surely, 2^5211331 is an apocalyptic number.

5211331 is a deficient number, since it is larger than the sum of its proper divisors (98381).

5211331 is an equidigital number, since it uses as much as digits as its factorization.

5211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98380.

The product of its digits is 90, while the sum is 16.

The square root of 5211331 is about 2282.8339843274. The cubic root of 5211331 is about 173.3735676653.

Adding to 5211331 its reverse (1331125), we get a palindrome (6542456).

It can be divided in two parts, 52113 and 31, that multiplied together give a triangular number (1615503 = T₁₇₉₇).

The spelling of 5211331 in words is "five million, two hundred eleven thousand, three hundred thirty-one".