1353265 has 4 divisors (see below), whose sum is σ = 1623924. Its totient is φ = 1082608.

The previous prime is 1353259. The next prime is 1353269. The reversal of 1353265 is 5623531.

It is a happy number.

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 952576 + 400689 = 976^2 + 633^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353265 - 2³ = 1353257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135322 + ... + 135331.

It is an arithmetic number, because the mean of its divisors is an integer number (405981).

2^1353265 is an apocalyptic number.

It is an amenable number.

1353265 is a deficient number, since it is larger than the sum of its proper divisors (270659).

1353265 is an equidigital number, since it uses as much as digits as its factorization.

1353265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270658.

The product of its digits is 2700, while the sum is 25.

The square root of 1353265 is about 1163.2991876555. The cubic root of 1353265 is about 110.6099722104.

Adding to 1353265 its reverse (5623531), we get a palindrome (6976796).

The spelling of 1353265 in words is "one million, three hundred fifty-three thousand, two hundred sixty-five".