1353543 has 4 divisors (see below), whose sum is σ = 1804728. Its totient is φ = 902360.

The previous prime is 1353487. The next prime is 1353551. The reversal of 1353543 is 3453531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3453531 = 3 ⋅1151177.

It is a cyclic number.

It is not a de Polignac number, because 1353543 - 2⁶ = 1353479 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353593) 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 3 ways as a sum of consecutive naturals, for example, 225588 + ... + 225593.

It is an arithmetic number, because the mean of its divisors is an integer number (451182).

2^1353543 is an apocalyptic number.

1353543 is a deficient number, since it is larger than the sum of its proper divisors (451185).

1353543 is an equidigital number, since it uses as much as digits as its factorization.

1353543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451184.

The product of its digits is 2700, while the sum is 24.

The square root of 1353543 is about 1163.4186692674. The cubic root of 1353543 is about 110.6175458605.

The spelling of 1353543 in words is "one million, three hundred fifty-three thousand, five hundred forty-three".