1052309 has 2 divisors, whose sum is σ = 1052310. Its totient is φ = 1052308.

The previous prime is 1052299. The next prime is 1052321. The reversal of 1052309 is 9032501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 874225 + 178084 = 935^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052309 - 2¹² = 1048213 is a prime.

It is a super-2 number, since 2×1052309² = 2214708462962, which contains 22 as substring.

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

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526154 + 526155.

It is an arithmetic number, because the mean of its divisors is an integer number (526155).

2^1052309 is an apocalyptic number.

It is an amenable number.

1052309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052309 is an equidigital number, since it uses as much as digits as its factorization.

1052309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1052309 is about 1025.8211345064. The cubic root of 1052309 is about 101.7140846022.

The spelling of 1052309 in words is "one million, fifty-two thousand, three hundred nine".