1325243 has 4 divisors (see below), whose sum is σ = 1357608. Its totient is φ = 1292880.

The previous prime is 1325227. The next prime is 1325251. The reversal of 1325243 is 3425231.

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: 3425231 = 53 ⋅64627.

It is a cyclic number.

It is not a de Polignac number, because 1325243 - 2⁴ = 1325227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325263) 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, 16121 + ... + 16202.

It is an arithmetic number, because the mean of its divisors is an integer number (339402).

2^1325243 is an apocalyptic number.

1325243 is a deficient number, since it is larger than the sum of its proper divisors (32365).

1325243 is an equidigital number, since it uses as much as digits as its factorization.

1325243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32364.

The product of its digits is 720, while the sum is 20.

The square root of 1325243 is about 1151.1919909381. The cubic root of 1325243 is about 109.8411757496.

It can be divided in two parts, 132 and 5243, that multiplied together give a triangular number (692076 = T₁₁₇₆).

The spelling of 1325243 in words is "one million, three hundred twenty-five thousand, two hundred forty-three".