1333345 has 16 divisors (see below), whose sum is σ = 1752912. Its totient is φ = 967680.

The previous prime is 1333331. The next prime is 1333357. The reversal of 1333345 is 5433331.

1333345 = 816² + 817².

It can be written as a sum of positive squares in 8 ways, for example, as 26896 + 1306449 = 164^2 + 1143^2 .

It is not a de Polignac number, because 1333345 - 2⁵ = 1333313 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4605 + ... + 4885.

It is an arithmetic number, because the mean of its divisors is an integer number (109557).

2^1333345 is an apocalyptic number.

1333345 is the 817-th centered square number.

It is an amenable number.

1333345 is a deficient number, since it is larger than the sum of its proper divisors (419567).

1333345 is a wasteful number, since it uses less digits than its factorization.

1333345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its digits is 1620, while the sum is 22.

The square root of 1333345 is about 1154.7055901831. The cubic root of 1333345 is about 110.0645626496.

Adding to 1333345 its reverse (5433331), we get a palindrome (6766676).

The spelling of 1333345 in words is "one million, three hundred thirty-three thousand, three hundred forty-five".