11590261 has 2 divisors, whose sum is σ = 11590262. Its totient is φ = 11590260.

The previous prime is 11590259. The next prime is 11590289. The reversal of 11590261 is 16209511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11350161 + 240100 = 3369^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 11590261 - 2¹ = 11590259 is a prime.

Together with 11590259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11590231) 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, 5795130 + 5795131.

It is an arithmetic number, because the mean of its divisors is an integer number (5795131).

Almost surely, 2^11590261 is an apocalyptic number.

It is an amenable number.

11590261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11590261 is an equidigital number, since it uses as much as digits as its factorization.

11590261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 11590261 is about 3404.4472385396. The cubic root of 11590261 is about 226.3068703126.

Adding to 11590261 its reverse (16209511), we get a palindrome (27799772).

The spelling of 11590261 in words is "eleven million, five hundred ninety thousand, two hundred sixty-one".