1353243 has 8 divisors (see below), whose sum is σ = 1862656. Its totient is φ = 873000.

The previous prime is 1353241. The next prime is 1353257. The reversal of 1353243 is 3423531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1353243 - 2¹ = 1353241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7183 + ... + 7368.

It is an arithmetic number, because the mean of its divisors is an integer number (232832).

2^1353243 is an apocalyptic number.

1353243 is a deficient number, since it is larger than the sum of its proper divisors (509413).

1353243 is a wasteful number, since it uses less digits than its factorization.

1353243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14585.

The product of its digits is 1080, while the sum is 21.

The square root of 1353243 is about 1163.2897317522. The cubic root of 1353243 is about 110.6093728125.

Adding to 1353243 its reverse (3423531), we get a palindrome (4776774).

It can be divided in two parts, 1353 and 243, that added together give a triangular number (1596 = T₅₆).

The spelling of 1353243 in words is "one million, three hundred fifty-three thousand, two hundred forty-three".