1323533 has 2 divisors, whose sum is σ = 1323534. Its totient is φ = 1323532.

The previous prime is 1323529. The next prime is 1323541. The reversal of 1323533 is 3353231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 917764 + 405769 = 958^2 + 637^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323533 - 2² = 1323529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661766 + 661767.

It is an arithmetic number, because the mean of its divisors is an integer number (661767).

2^1323533 is an apocalyptic number.

It is an amenable number.

1323533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323533 is an equidigital number, since it uses as much as digits as its factorization.

1323533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 20.

The square root of 1323533 is about 1150.4490427655. The cubic root of 1323533 is about 109.7939116490.

Adding to 1323533 its reverse (3353231), we get a palindrome (4676764).

The spelling of 1323533 in words is "one million, three hundred twenty-three thousand, five hundred thirty-three".