5213431 has 2 divisors, whose sum is σ = 5213432. Its totient is φ = 5213430.

The previous prime is 5213423. The next prime is 5213491. The reversal of 5213431 is 1343125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5213431 - 2³ = 5213423 is a prime.

It is a super-2 number, since 2×5213431² = 54359725583522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5213399 and 5213408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5213491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606715 + 2606716.

It is an arithmetic number, because the mean of its divisors is an integer number (2606716).

Almost surely, 2^5213431 is an apocalyptic number.

5213431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5213431 is an equidigital number, since it uses as much as digits as its factorization.

5213431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 19.

The square root of 5213431 is about 2283.2938926034. The cubic root of 5213431 is about 173.3968525419.

Adding to 5213431 its reverse (1343125), we get a palindrome (6556556).

The spelling of 5213431 in words is "five million, two hundred thirteen thousand, four hundred thirty-one".