5211631 has 2 divisors, whose sum is σ = 5211632. Its totient is φ = 5211630.

The previous prime is 5211623. The next prime is 5211637. The reversal of 5211631 is 1361125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5211631 - 2³ = 5211623 is a prime.

It is a super-2 number, since 2×5211631² = 54322195360322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5211599 and 5211608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5211637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605815 + 2605816.

It is an arithmetic number, because the mean of its divisors is an integer number (2605816).

Almost surely, 2^5211631 is an apocalyptic number.

5211631 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211631 is an equidigital number, since it uses as much as digits as its factorization.

5211631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 19.

The square root of 5211631 is about 2282.8996911822. The cubic root of 5211631 is about 173.3768944592.

Adding to 5211631 its reverse (1361125), we get a palindrome (6572756).

The spelling of 5211631 in words is "five million, two hundred eleven thousand, six hundred thirty-one".