1353321 has 8 divisors (see below), whose sum is σ = 2004960. Its totient is φ = 902196.

The previous prime is 1353311. The next prime is 1353329. The reversal of 1353321 is 1233531.

It is not a de Polignac number, because 1353321 - 2⁶ = 1353257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1353294 and 1353303.

It is not an unprimeable number, because it can be changed into a prime (1353329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25035 + ... + 25088.

It is an arithmetic number, because the mean of its divisors is an integer number (250620).

2^1353321 is an apocalyptic number.

It is an amenable number.

1353321 is a deficient number, since it is larger than the sum of its proper divisors (651639).

1353321 is an equidigital number, since it uses as much as digits as its factorization.

1353321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50132 (or 50126 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 1353321 is about 1163.3232568809. The cubic root of 1353321 is about 110.6114979212.

Adding to 1353321 its reverse (1233531), we get a palindrome (2586852).

The spelling of 1353321 in words is "one million, three hundred fifty-three thousand, three hundred twenty-one".