3125315539 has 2 divisors, whose sum is σ = 3125315540. Its totient is φ = 3125315538.

The previous prime is 3125315537. The next prime is 3125315549. The reversal of 3125315539 is 9355135213.

3125315539 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 is an emirp because it is prime and its reverse (9355135213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3125315539 - 2¹ = 3125315537 is a prime.

Together with 3125315537, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3125315498 and 3125315507.

It is not a weakly prime, because it can be changed into another prime (3125315533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562657769 + 1562657770.

It is an arithmetic number, because the mean of its divisors is an integer number (1562657770).

Almost surely, 2^3125315539 is an apocalyptic number.

3125315539 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125315539 is an equidigital number, since it uses as much as digits as its factorization.

3125315539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60750, while the sum is 37.

The square root of 3125315539 is about 55904.5216328697. The cubic root of 3125315539 is about 1462.0580750041.

The spelling of 3125315539 in words is "three billion, one hundred twenty-five million, three hundred fifteen thousand, five hundred thirty-nine".