2503312213 has 2 divisors, whose sum is σ = 2503312214. Its totient is φ = 2503312212.

The previous prime is 2503312183. The next prime is 2503312241. The reversal of 2503312213 is 3122133052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2198390769 + 304921444 = 46887^2 + 17462^2 .

It is a cyclic number.

It is not a de Polignac number, because 2503312213 - 2⁵ = 2503312181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2503312243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251656106 + 1251656107.

It is an arithmetic number, because the mean of its divisors is an integer number (1251656107).

Almost surely, 2^2503312213 is an apocalyptic number.

It is an amenable number.

2503312213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2503312213 is an equidigital number, since it uses as much as digits as its factorization.

2503312213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2503312213 is about 50033.1111665065. Note that the first 4 decimals coincide. The cubic root of 2503312213 is about 1357.8079257425.

Adding to 2503312213 its reverse (3122133052), we get a palindrome (5625445265).

The spelling of 2503312213 in words is "two billion, five hundred three million, three hundred twelve thousand, two hundred thirteen".