3061538813 has 2 divisors, whose sum is σ = 3061538814. Its totient is φ = 3061538812.

The previous prime is 3061538791. The next prime is 3061538819. The reversal of 3061538813 is 3188351603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2747646724 + 313892089 = 52418^2 + 17717^2 .

It is a cyclic number.

It is not a de Polignac number, because 3061538813 - 2¹² = 3061534717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3061538819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1530769406 + 1530769407.

It is an arithmetic number, because the mean of its divisors is an integer number (1530769407).

Almost surely, 2^3061538813 is an apocalyptic number.

It is an amenable number.

3061538813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3061538813 is an equidigital number, since it uses as much as digits as its factorization.

3061538813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 3061538813 is about 55331.1739709181. The cubic root of 3061538813 is about 1452.0444901649.

The spelling of 3061538813 in words is "three billion, sixty-one million, five hundred thirty-eight thousand, eight hundred thirteen".