11005493 has 2 divisors, whose sum is σ = 11005494. Its totient is φ = 11005492.

The previous prime is 11005483. The next prime is 11005513. The reversal of 11005493 is 39450011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6240004 + 4765489 = 2498^2 + 2183^2 .

It is a cyclic number.

It is not a de Polignac number, because 11005493 - 2¹⁴ = 10989109 is a prime.

It is a super-2 number, since 2×11005493² = 242241752346098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11005433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502746 + 5502747.

It is an arithmetic number, because the mean of its divisors is an integer number (5502747).

Almost surely, 2^11005493 is an apocalyptic number.

It is an amenable number.

11005493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005493 is an equidigital number, since it uses as much as digits as its factorization.

11005493 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 23.

The square root of 11005493 is about 3317.4527879082. The cubic root of 11005493 is about 222.4350220561.

The spelling of 11005493 in words is "eleven million, five thousand, four hundred ninety-three".