1002715013 has 2 divisors, whose sum is σ = 1002715014. Its totient is φ = 1002715012.

The previous prime is 1002715009. The next prime is 1002715033. The reversal of 1002715013 is 3105172001.

It is an a-pointer prime, because the next prime (1002715033) can be obtained adding 1002715013 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 949687489 + 53027524 = 30817^2 + 7282^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002715013 - 2² = 1002715009 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 (1002715033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501357506 + 501357507.

It is an arithmetic number, because the mean of its divisors is an integer number (501357507).

Almost surely, 2^1002715013 is an apocalyptic number.

It is an amenable number.

1002715013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002715013 is an equidigital number, since it uses as much as digits as its factorization.

1002715013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 1002715013 is about 31665.6756283519. The cubic root of 1002715013 is about 1000.9041865336.

Adding to 1002715013 its reverse (3105172001), we get a palindrome (4107887014).

The spelling of 1002715013 in words is "one billion, two million, seven hundred fifteen thousand, thirteen".