1052005 has 4 divisors (see below), whose sum is σ = 1262412. Its totient is φ = 841600.

The previous prime is 1051991. The next prime is 1052027. The reversal of 1052005 is 5002501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 452929 + 599076 = 673^2 + 774^2 .

It is not a de Polignac number, because 1052005 - 2¹⁵ = 1019237 is a prime.

It is a super-2 number, since 2×1052005² = 2213429040050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105196 + ... + 105205.

It is an arithmetic number, because the mean of its divisors is an integer number (315603).

2^1052005 is an apocalyptic number.

It is an amenable number.

1052005 is a deficient number, since it is larger than the sum of its proper divisors (210407).

1052005 is an equidigital number, since it uses as much as digits as its factorization.

1052005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210406.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 1052005 is about 1025.6729498237. The cubic root of 1052005 is about 101.7042889814.

Adding to 1052005 its reverse (5002501), we get a palindrome (6054506).

The spelling of 1052005 in words is "one million, fifty-two thousand, five".