1325279 has 4 divisors (see below), whose sum is σ = 1328040. Its totient is φ = 1322520.

The previous prime is 1325273. The next prime is 1325287. The reversal of 1325279 is 9725231.

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

It is a cyclic number.

It is not a de Polignac number, because 1325279 - 2⁴ = 1325263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325273) 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, 452 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (332010).

2^1325279 is an apocalyptic number.

1325279 is a deficient number, since it is larger than the sum of its proper divisors (2761).

1325279 is an equidigital number, since it uses as much as digits as its factorization.

1325279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760.

The product of its digits is 3780, while the sum is 29.

The square root of 1325279 is about 1151.2076267989. The cubic root of 1325279 is about 109.8421703462.

It can be divided in two parts, 13252 and 79, that added together give a palindrome (13331).

The spelling of 1325279 in words is "one million, three hundred twenty-five thousand, two hundred seventy-nine".