2503313 has 2 divisors, whose sum is σ = 2503314. Its totient is φ = 2503312.

The previous prime is 2503283. The next prime is 2503327. The reversal of 2503313 is 3133052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2486929 + 16384 = 1577^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 2503313 - 2¹⁶ = 2437777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2503291 and 2503300.

It is not a weakly prime, because it can be changed into another prime (2503373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251656 + 1251657.

It is an arithmetic number, because the mean of its divisors is an integer number (1251657).

2^2503313 is an apocalyptic number.

It is an amenable number.

2503313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2503313 is an equidigital number, since it uses as much as digits as its factorization.

2503313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 2503313 is about 1582.1861458122. The cubic root of 2503313 is about 135.7808068033.

Adding to 2503313 its reverse (3133052), we get a palindrome (5636365).

The spelling of 2503313 in words is "two million, five hundred three thousand, three hundred thirteen".