1323541 has 2 divisors, whose sum is σ = 1323542. Its totient is φ = 1323540.

The previous prime is 1323533. The next prime is 1323551. The reversal of 1323541 is 1453231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792100 + 531441 = 890^2 + 729^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323541 - 2³ = 1323533 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁹ + 2³ + 3¹¹ + 5⁷ + 4¹⁰ + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661770 + 661771.

It is an arithmetic number, because the mean of its divisors is an integer number (661771).

2^1323541 is an apocalyptic number.

It is an amenable number.

1323541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323541 is an equidigital number, since it uses as much as digits as its factorization.

1323541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 19.

The square root of 1323541 is about 1150.4525196635. The cubic root of 1323541 is about 109.7941328623.

Adding to 1323541 its reverse (1453231), we get a palindrome (2776772).

It can be divided in two parts, 132354 and 1, that added together give a triangular number (132355 = T₅₁₄).

The spelling of 1323541 in words is "one million, three hundred twenty-three thousand, five hundred forty-one".