1052569 has 6 divisors (see below), whose sum is σ = 1224474. Its totient is φ = 902160.

The previous prime is 1052567. The next prime is 1052573. The reversal of 1052569 is 9652501.

It can be written as a sum of positive squares in only one way, i.e., 974169 + 78400 = 987^2 + 280^2 .

It is not a de Polignac number, because 1052569 - 2¹ = 1052567 is a prime.

It is a super-2 number, since 2×1052569² = 2215802999522, 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 (1052561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10692 + ... + 10789.

It is an arithmetic number, because the mean of its divisors is an integer number (204079).

2^1052569 is an apocalyptic number.

It is an amenable number.

1052569 is a deficient number, since it is larger than the sum of its proper divisors (171905).

1052569 is an equidigital number, since it uses as much as digits as its factorization.

1052569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21495 (or 21488 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1052569 is about 1025.9478544254. The cubic root of 1052569 is about 101.7224609391.

It can be divided in two parts, 105 and 2569, that multiplied together give a triangular number (269745 = T₇₃₄).

The spelling of 1052569 in words is "one million, fifty-two thousand, five hundred sixty-nine".