11257949 has 2 divisors, whose sum is σ = 11257950. Its totient is φ = 11257948.

The previous prime is 11257933. The next prime is 11258011. The reversal of 11257949 is 94975211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6285049 + 4972900 = 2507^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 11257949 - 2⁴ = 11257933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11257049) 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, 5628974 + 5628975.

It is an arithmetic number, because the mean of its divisors is an integer number (5628975).

Almost surely, 2^11257949 is an apocalyptic number.

It is an amenable number.

11257949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11257949 is an equidigital number, since it uses as much as digits as its factorization.

11257949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 38.

The square root of 11257949 is about 3355.2867239626. The cubic root of 11257949 is about 224.1229992531.

The spelling of 11257949 in words is "eleven million, two hundred fifty-seven thousand, nine hundred forty-nine".