11430257 has 2 divisors, whose sum is σ = 11430258. Its totient is φ = 11430256.

The previous prime is 11430233. The next prime is 11430269. The reversal of 11430257 is 75203411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10086976 + 1343281 = 3176^2 + 1159^2 .

It is a cyclic number.

It is not a de Polignac number, because 11430257 - 2¹² = 11426161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11430157) 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, 5715128 + 5715129.

It is an arithmetic number, because the mean of its divisors is an integer number (5715129).

Almost surely, 2^11430257 is an apocalyptic number.

It is an amenable number.

11430257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11430257 is an equidigital number, since it uses as much as digits as its factorization.

11430257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 11430257 is about 3380.8663090989. The cubic root of 11430257 is about 225.2606493766.

Adding to 11430257 its reverse (75203411), we get a palindrome (86633668).

The spelling of 11430257 in words is "eleven million, four hundred thirty thousand, two hundred fifty-seven".