1565413013 has 2 divisors, whose sum is σ = 1565413014. Its totient is φ = 1565413012.

The previous prime is 1565413007. The next prime is 1565413019. The reversal of 1565413013 is 3103145651.

It is a balanced prime because it is at equal distance from previous prime (1565413007) and next prime (1565413019).

It can be written as a sum of positive squares in only one way, i.e., 1226190289 + 339222724 = 35017^2 + 18418^2 .

It is a cyclic number.

It is not a de Polignac number, because 1565413013 - 2⁴ = 1565412997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1565413019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782706506 + 782706507.

It is an arithmetic number, because the mean of its divisors is an integer number (782706507).

Almost surely, 2^1565413013 is an apocalyptic number.

It is an amenable number.

1565413013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1565413013 is an equidigital number, since it uses as much as digits as its factorization.

1565413013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1565413013 is about 39565.3006180921. The cubic root of 1565413013 is about 1161.1178811910.

Adding to 1565413013 its reverse (3103145651), we get a palindrome (4668558664).

The spelling of 1565413013 in words is "one billion, five hundred sixty-five million, four hundred thirteen thousand, thirteen".