1003015213 has 2 divisors, whose sum is σ = 1003015214. Its totient is φ = 1003015212.

The previous prime is 1003015201. The next prime is 1003015219. The reversal of 1003015213 is 3125103001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 988284969 + 14730244 = 31437^2 + 3838^2 .

It is an emirp because it is prime and its reverse (3125103001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003015213 - 2²⁵ = 969460781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003015219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501507606 + 501507607.

It is an arithmetic number, because the mean of its divisors is an integer number (501507607).

Almost surely, 2^1003015213 is an apocalyptic number.

It is an amenable number.

1003015213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003015213 is an equidigital number, since it uses as much as digits as its factorization.

1003015213 is an evil number, because the sum of its binary digits is even.

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

The square root of 1003015213 is about 31670.4154219675. The cubic root of 1003015213 is about 1001.0040625210.

Adding to 1003015213 its reverse (3125103001), we get a palindrome (4128118214).

The spelling of 1003015213 in words is "one billion, three million, fifteen thousand, two hundred thirteen".