1056573 has 24 divisors (see below), whose sum is σ = 1803776. Its totient is φ = 583200.

The previous prime is 1056569. The next prime is 1056577. The reversal of 1056573 is 3756501.

1056573 is a `hidden beast` number, since 1 + 0 + 5 + 657 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1056569) and next prime (1056577).

It is not a de Polignac number, because 1056573 - 2² = 1056569 is a prime.

It is a super-2 number, since 2×1056573² = 2232693008658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1683 + ... + 2223.

2^1056573 is an apocalyptic number.

It is an amenable number.

1056573 is a deficient number, since it is larger than the sum of its proper divisors (747203).

1056573 is a wasteful number, since it uses less digits than its factorization.

1056573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 1056573 is about 1027.8973684177. The cubic root of 1056573 is about 101.8512826970.

The spelling of 1056573 in words is "one million, fifty-six thousand, five hundred seventy-three".