1325869 has 4 divisors (see below), whose sum is σ = 1328220. Its totient is φ = 1323520.

The previous prime is 1325867. The next prime is 1325873. The reversal of 1325869 is 9685231.

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 315844 + 1010025 = 562^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325869 - 2¹ = 1325867 is a prime.

It is a super-2 number, since 2×1325869² = 3515857210322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (332055).

2^1325869 is an apocalyptic number.

It is an amenable number.

1325869 is a deficient number, since it is larger than the sum of its proper divisors (2351).

1325869 is an equidigital number, since it uses as much as digits as its factorization.

1325869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350.

The product of its digits is 12960, while the sum is 34.

The square root of 1325869 is about 1151.4638509306. The cubic root of 1325869 is about 109.8584681133.

The spelling of 1325869 in words is "one million, three hundred twenty-five thousand, eight hundred sixty-nine".