1053243 has 10 divisors (see below), whose sum is σ = 1573484. Its totient is φ = 702108.

The previous prime is 1053233. The next prime is 1053257. The reversal of 1053243 is 3423501.

It is not a de Polignac number, because 1053243 - 2⁶ = 1053179 is a prime.

It is a super-2 number, since 2×1053243² = 2218641634098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053233) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6421 + ... + 6582.

2^1053243 is an apocalyptic number.

1053243 is a deficient number, since it is larger than the sum of its proper divisors (520241).

1053243 is an equidigital number, since it uses as much as digits as its factorization.

1053243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13015 (or 13006 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1053243 is about 1026.2762785917. The cubic root of 1053243 is about 101.7441685611.

Adding to 1053243 its reverse (3423501), we get a palindrome (4476744).

It can be divided in two parts, 1053 and 243, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1053243 in words is "one million, fifty-three thousand, two hundred forty-three".