1005773 has 4 divisors (see below), whose sum is σ = 1022880. Its totient is φ = 988668.

The previous prime is 1005761. The next prime is 1005821. The reversal of 1005773 is 3775001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3775001 = 211 ⋅17891.

It is a cyclic number.

It is not a de Polignac number, because 1005773 - 2⁶ = 1005709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8465 + ... + 8582.

It is an arithmetic number, because the mean of its divisors is an integer number (255720).

2^1005773 is an apocalyptic number.

It is an amenable number.

1005773 is a deficient number, since it is larger than the sum of its proper divisors (17107).

1005773 is an equidigital number, since it uses as much as digits as its factorization.

1005773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17106.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 1005773 is about 1002.8823460407. The cubic root of 1005773 is about 100.1920642106.

The spelling of 1005773 in words is "one million, five thousand, seven hundred seventy-three".