1043573 has 4 divisors (see below), whose sum is σ = 1069068. Its totient is φ = 1018080.

The previous prime is 1043557. The next prime is 1043587. The reversal of 1043573 is 3753401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3753401 = 163 ⋅23027.

It can be written as a sum of positive squares in 2 ways, for example, as 237169 + 806404 = 487^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043573 - 2⁴ = 1043557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043513) 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, 12686 + ... + 12767.

It is an arithmetic number, because the mean of its divisors is an integer number (267267).

2^1043573 is an apocalyptic number.

It is an amenable number.

1043573 is a deficient number, since it is larger than the sum of its proper divisors (25495).

1043573 is an equidigital number, since it uses as much as digits as its factorization.

1043573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25494.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 1043573 is about 1021.5542080575. The cubic root of 1043573 is about 101.4318339983.

Adding to 1043573 its reverse (3753401), we get a palindrome (4796974).

The spelling of 1043573 in words is "one million, forty-three thousand, five hundred seventy-three".