3147385249 has 2 divisors, whose sum is σ = 3147385250. Its totient is φ = 3147385248.

The previous prime is 3147385237. The next prime is 3147385277. The reversal of 3147385249 is 9425837413.

3147385249 is digitally balanced in base 2, 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., 1884862225 + 1262523024 = 43415^2 + 35532^2 .

It is an emirp because it is prime and its reverse (9425837413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3147385249 - 2⁵ = 3147385217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3147385199 and 3147385208.

It is not a weakly prime, because it can be changed into another prime (3147388249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573692624 + 1573692625.

It is an arithmetic number, because the mean of its divisors is an integer number (1573692625).

Almost surely, 2^3147385249 is an apocalyptic number.

It is an amenable number.

3147385249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3147385249 is an equidigital number, since it uses as much as digits as its factorization.

3147385249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The square root of 3147385249 is about 56101.5619123033. The cubic root of 3147385249 is about 1465.4914927687.

The spelling of 3147385249 in words is "three billion, one hundred forty-seven million, three hundred eighty-five thousand, two hundred forty-nine".