1099573 has 2 divisors, whose sum is σ = 1099574. Its totient is φ = 1099572.

The previous prime is 1099559. The next prime is 1099589. The reversal of 1099573 is 3759901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1096209 + 3364 = 1047^2 + 58^2 .

It is an emirp because it is prime and its reverse (3759901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1099573 - 2⁵ = 1099541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549786 + 549787.

It is an arithmetic number, because the mean of its divisors is an integer number (549787).

2^1099573 is an apocalyptic number.

It is an amenable number.

1099573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099573 is an equidigital number, since it uses as much as digits as its factorization.

1099573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 1099573 is about 1048.6052641485. The cubic root of 1099573 is about 103.2146527379.

The spelling of 1099573 in words is "one million, ninety-nine thousand, five hundred seventy-three".