1052305 has 4 divisors (see below), whose sum is σ = 1262772. Its totient is φ = 841840.

The previous prime is 1052299. The next prime is 1052309. The reversal of 1052305 is 5032501.

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 305809 + 746496 = 553^2 + 864^2 .

It is not a de Polignac number, because 1052305 - 2¹⁵ = 1019537 is a prime.

It is a super-2 number, since 2×1052305² = 2214691626050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105226 + ... + 105235.

It is an arithmetic number, because the mean of its divisors is an integer number (315693).

2^1052305 is an apocalyptic number.

It is an amenable number.

1052305 is a deficient number, since it is larger than the sum of its proper divisors (210467).

1052305 is an equidigital number, since it uses as much as digits as its factorization.

1052305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210466.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 1052305 is about 1025.8191848469. The cubic root of 1052305 is about 101.7139557247.

Adding to 1052305 its reverse (5032501), we get a palindrome (6084806).

The spelling of 1052305 in words is "one million, fifty-two thousand, three hundred five".