5245445213 has 2 divisors, whose sum is σ = 5245445214. Its totient is φ = 5245445212.

The previous prime is 5245445207. The next prime is 5245445269. The reversal of 5245445213 is 3125445425.

5245445213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2627792644 + 2617652569 = 51262^2 + 51163^2 .

It is a cyclic number.

It is not a de Polignac number, because 5245445213 - 2⁸ = 5245444957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5245445813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622722606 + 2622722607.

It is an arithmetic number, because the mean of its divisors is an integer number (2622722607).

Almost surely, 2^5245445213 is an apocalyptic number.

It is an amenable number.

5245445213 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245445213 is an equidigital number, since it uses as much as digits as its factorization.

5245445213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96000, while the sum is 35.

The square root of 5245445213 is about 72425.4458943816. The cubic root of 5245445213 is about 1737.5105560354.

The spelling of 5245445213 in words is "five billion, two hundred forty-five million, four hundred forty-five thousand, two hundred thirteen".