3845251213 has 2 divisors, whose sum is σ = 3845251214. Its totient is φ = 3845251212.

The previous prime is 3845251211. The next prime is 3845251237. The reversal of 3845251213 is 3121525483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1935736009 + 1909515204 = 43997^2 + 43698^2 .

It is an emirp because it is prime and its reverse (3121525483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3845251213 - 2¹ = 3845251211 is a prime.

Together with 3845251211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3845251211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922625606 + 1922625607.

It is an arithmetic number, because the mean of its divisors is an integer number (1922625607).

Almost surely, 2^3845251213 is an apocalyptic number.

It is an amenable number.

3845251213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3845251213 is an equidigital number, since it uses as much as digits as its factorization.

3845251213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

The square root of 3845251213 is about 62010.0896064503. The cubic root of 3845251213 is about 1566.6605439678.

Adding to 3845251213 its reverse (3121525483), we get a palindrome (6966776696).

The spelling of 3845251213 in words is "three billion, eight hundred forty-five million, two hundred fifty-one thousand, two hundred thirteen".