1353443 has 16 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 1053216.

The previous prime is 1353433. The next prime is 1353449. The reversal of 1353443 is 3443531.

It is a cyclic number.

It is not a de Polignac number, because 1353443 - 2¹⁰ = 1352419 is a prime.

It is a d-powerful number, because it can be written as 1 + 3² + 5⁵ + 3¹⁰ + 4⁸ + 4¹⁰ + 3¹¹ .

It is not an unprimeable number, because it can be changed into a prime (1353449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9668 + ... + 9806.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^1353443 is an apocalyptic number.

1353443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1353443 is a deficient number, since it is larger than the sum of its proper divisors (339997).

1353443 is a wasteful number, since it uses less digits than its factorization.

1353443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its digits is 2160, while the sum is 23.

The square root of 1353443 is about 1163.3756916835. The cubic root of 1353443 is about 110.6148216454.

Adding to 1353443 its reverse (3443531), we get a palindrome (4796974).

The spelling of 1353443 in words is "one million, three hundred fifty-three thousand, four hundred forty-three".