11257313 has 2 divisors, whose sum is σ = 11257314. Its totient is φ = 11257312.

The previous prime is 11257243. The next prime is 11257321. The reversal of 11257313 is 31375211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9102289 + 2155024 = 3017^2 + 1468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11257313 is a prime.

It is not a weakly prime, because it can be changed into another prime (11257333) 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, 5628656 + 5628657.

It is an arithmetic number, because the mean of its divisors is an integer number (5628657).

Almost surely, 2^11257313 is an apocalyptic number.

It is an amenable number.

11257313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11257313 is an equidigital number, since it uses as much as digits as its factorization.

11257313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630, while the sum is 23.

The square root of 11257313 is about 3355.1919468191. The cubic root of 11257313 is about 224.1187786823.

The spelling of 11257313 in words is "eleven million, two hundred fifty-seven thousand, three hundred thirteen".