11305457 has 2 divisors, whose sum is σ = 11305458. Its totient is φ = 11305456.

The previous prime is 11305433. The next prime is 11305519. The reversal of 11305457 is 75450311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10601536 + 703921 = 3256^2 + 839^2 .

It is a cyclic number.

It is not a de Polignac number, because 11305457 - 2¹² = 11301361 is a prime.

It is not a weakly prime, because it can be changed into another prime (11301457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5652728 + 5652729.

It is an arithmetic number, because the mean of its divisors is an integer number (5652729).

Almost surely, 2^11305457 is an apocalyptic number.

It is an amenable number.

11305457 is a deficient number, since it is larger than the sum of its proper divisors (1).

11305457 is an equidigital number, since it uses as much as digits as its factorization.

11305457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 11305457 is about 3362.3588446208. The cubic root of 11305457 is about 224.4378195625.

Adding to 11305457 its reverse (75450311), we get a palindrome (86755768).

The spelling of 11305457 in words is "eleven million, three hundred five thousand, four hundred fifty-seven".