1015023013 has 2 divisors, whose sum is σ = 1015023014. Its totient is φ = 1015023012.

The previous prime is 1015022993. The next prime is 1015023043. The reversal of 1015023013 is 3103205101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 568250244 + 446772769 = 23838^2 + 21137^2 .

It is an emirp because it is prime and its reverse (3103205101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1015023013 - 2⁹ = 1015022501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1015023043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507511506 + 507511507.

It is an arithmetic number, because the mean of its divisors is an integer number (507511507).

Almost surely, 2^1015023013 is an apocalyptic number.

It is an amenable number.

1015023013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015023013 is an equidigital number, since it uses as much as digits as its factorization.

1015023013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1015023013 is about 31859.4258108962. The cubic root of 1015023013 is about 1004.9828014515.

Adding to 1015023013 its reverse (3103205101), we get a palindrome (4118228114).

The spelling of 1015023013 in words is "one billion, fifteen million, twenty-three thousand, thirteen".