11530619 has 2 divisors, whose sum is σ = 11530620. Its totient is φ = 11530618.

The previous prime is 11530591. The next prime is 11530621. The reversal of 11530619 is 91603511.

It is a strong prime.

It is an emirp because it is prime and its reverse (91603511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11530619 is a prime.

It is a super-2 number, since 2×11530619² = 265910349046322, which contains 22 as substring.

Together with 11530621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11530669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5765309 + 5765310.

It is an arithmetic number, because the mean of its divisors is an integer number (5765310).

Almost surely, 2^11530619 is an apocalyptic number.

11530619 is a deficient number, since it is larger than the sum of its proper divisors (1).

11530619 is an equidigital number, since it uses as much as digits as its factorization.

11530619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 11530619 is about 3395.6765158065. The cubic root of 11530619 is about 225.9180204921.

The spelling of 11530619 in words is "eleven million, five hundred thirty thousand, six hundred nineteen".