15003013 has 2 divisors, whose sum is σ = 15003014. Its totient is φ = 15003012.

The previous prime is 15002987. The next prime is 15003031. The reversal of 15003013 is 31030051.

Together with next prime (15003031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8862529 + 6140484 = 2977^2 + 2478^2 .

It is a cyclic number.

It is not a de Polignac number, because 15003013 - 2²¹ = 12905861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15002984 and 15003002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15003413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7501506 + 7501507.

It is an arithmetic number, because the mean of its divisors is an integer number (7501507).

Almost surely, 2^15003013 is an apocalyptic number.

It is an amenable number.

15003013 is a deficient number, since it is larger than the sum of its proper divisors (1).

15003013 is an equidigital number, since it uses as much as digits as its factorization.

15003013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 15003013 is about 3873.3723033037. The cubic root of 15003013 is about 246.6377189875.

Adding to 15003013 its reverse (31030051), we get a palindrome (46033064).

The spelling of 15003013 in words is "fifteen million, three thousand, thirteen".