5135423213 has 2 divisors, whose sum is σ = 5135423214. Its totient is φ = 5135423212.

The previous prime is 5135423201. The next prime is 5135423243. The reversal of 5135423213 is 3123245315.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5092677769 + 42745444 = 71363^2 + 6538^2 .

It is a cyclic number.

It is not a de Polignac number, because 5135423213 - 2⁴ = 5135423197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5135423243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2567711606 + 2567711607.

It is an arithmetic number, because the mean of its divisors is an integer number (2567711607).

Almost surely, 2^5135423213 is an apocalyptic number.

It is an amenable number.

5135423213 is a deficient number, since it is larger than the sum of its proper divisors (1).

5135423213 is an equidigital number, since it uses as much as digits as its factorization.

5135423213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 5135423213 is about 71661.8672168120. The cubic root of 5135423213 is about 1725.2766580563.

Adding to 5135423213 its reverse (3123245315), we get a palindrome (8258668528).

The spelling of 5135423213 in words is "five billion, one hundred thirty-five million, four hundred twenty-three thousand, two hundred thirteen".