1343569 has 2 divisors, whose sum is σ = 1343570. Its totient is φ = 1343568.

The previous prime is 1343567. The next prime is 1343579. The reversal of 1343569 is 9653431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 788544 + 555025 = 888^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343569 - 2¹ = 1343567 is a prime.

It is a super-2 number, since 2×1343569² = 3610355315522, which contains 22 as substring.

Together with 1343567, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 1 + 3¹² + 4² + 3¹² + 5 + 6⁷ + 9³ .

It is a self number, because there is not a number n which added to its sum of digits gives 1343569.

It is not a weakly prime, because it can be changed into another prime (1343567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671784 + 671785.

It is an arithmetic number, because the mean of its divisors is an integer number (671785).

2^1343569 is an apocalyptic number.

It is an amenable number.

1343569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343569 is an equidigital number, since it uses as much as digits as its factorization.

1343569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 1343569 is about 1159.1242383800. The cubic root of 1343569 is about 110.3451692035.

The spelling of 1343569 in words is "one million, three hundred forty-three thousand, five hundred sixty-nine".