2303513 has 2 divisors, whose sum is σ = 2303514. Its totient is φ = 2303512.

The previous prime is 2303501. The next prime is 2303531. The reversal of 2303513 is 3153032.

Together with next prime (2303531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1721344 + 582169 = 1312^2 + 763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2303513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2303491 and 2303500.

It is not a weakly prime, because it can be changed into another prime (2303533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151756 + 1151757.

It is an arithmetic number, because the mean of its divisors is an integer number (1151757).

2^2303513 is an apocalyptic number.

It is an amenable number.

2303513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303513 is an equidigital number, since it uses as much as digits as its factorization.

2303513 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 2303513 is about 1517.7328486924. The cubic root of 2303513 is about 132.0677835213.

Adding to 2303513 its reverse (3153032), we get a palindrome (5456545).

The spelling of 2303513 in words is "two million, three hundred three thousand, five hundred thirteen".