1385601013 has 2 divisors, whose sum is σ = 1385601014. Its totient is φ = 1385601012.

The previous prime is 1385600941. The next prime is 1385601037. The reversal of 1385601013 is 3101065831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1385551729 + 49284 = 37223^2 + 222^2 .

It is an emirp because it is prime and its reverse (3101065831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1385601013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1385601053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692800506 + 692800507.

It is an arithmetic number, because the mean of its divisors is an integer number (692800507).

Almost surely, 2^1385601013 is an apocalyptic number.

It is an amenable number.

1385601013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385601013 is an equidigital number, since it uses as much as digits as its factorization.

1385601013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1385601013 is about 37223.6620041607. The cubic root of 1385601013 is about 1114.8404828539.

Adding to 1385601013 its reverse (3101065831), we get a palindrome (4486666844).

The spelling of 1385601013 in words is "one billion, three hundred eighty-five million, six hundred one thousand, thirteen".