1051573 has 4 divisors (see below), whose sum is σ = 1071468. Its totient is φ = 1031680.

The previous prime is 1051571. The next prime is 1051591. The reversal of 1051573 is 3751501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3751501 = 13 ⋅288577.

It can be written as a sum of positive squares in 2 ways, for example, as 289444 + 762129 = 538^2 + 873^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051573 - 2¹ = 1051571 is a prime.

It is a super-2 number, since 2×1051573² = 2211611548658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051571) 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, 9868 + ... + 9973.

It is an arithmetic number, because the mean of its divisors is an integer number (267867).

2^1051573 is an apocalyptic number.

It is an amenable number.

1051573 is a deficient number, since it is larger than the sum of its proper divisors (19895).

1051573 is an equidigital number, since it uses as much as digits as its factorization.

1051573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19894.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 1051573 is about 1025.4623347544. The cubic root of 1051573 is about 101.6903656419.

The spelling of 1051573 in words is "one million, fifty-one thousand, five hundred seventy-three".