1333385 has 4 divisors (see below), whose sum is σ = 1600068. Its totient is φ = 1066704.

The previous prime is 1333357. The next prime is 1333393. The reversal of 1333385 is 5833331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 659344 + 674041 = 812^2 + 821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333385 - 2¹⁰ = 1332361 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133334 + ... + 133343.

It is an arithmetic number, because the mean of its divisors is an integer number (400017).

2^1333385 is an apocalyptic number.

It is an amenable number.

1333385 is a deficient number, since it is larger than the sum of its proper divisors (266683).

1333385 is an equidigital number, since it uses as much as digits as its factorization.

1333385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266682.

The product of its digits is 3240, while the sum is 26.

The square root of 1333385 is about 1154.7229104855. The cubic root of 1333385 is about 110.0656632746.

The spelling of 1333385 in words is "one million, three hundred thirty-three thousand, three hundred eighty-five".