1326625 has 8 divisors (see below), whose sum is σ = 1655784. Its totient is φ = 1061200.

The previous prime is 1326623. The next prime is 1326631. The reversal of 1326625 is 5266231.

It can be written as a sum of positive squares in 4 ways, for example, as 33856 + 1292769 = 184^2 + 1137^2 .

It is not a de Polignac number, because 1326625 - 2¹ = 1326623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 1 + 3³ + 2¹⁸ + 6² + 6³ + 2²⁰ + 5⁶ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1326625.

It is not an unprimeable number, because it can be changed into a prime (1326623) 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, 5182 + ... + 5431.

It is an arithmetic number, because the mean of its divisors is an integer number (206973).

2^1326625 is an apocalyptic number.

It is an amenable number.

1326625 is a deficient number, since it is larger than the sum of its proper divisors (329159).

1326625 is an equidigital number, since it uses as much as digits as its factorization.

1326625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628 (or 10618 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 1326625 is about 1151.7920819315. The cubic root of 1326625 is about 109.8793442888.

The spelling of 1326625 in words is "one million, three hundred twenty-six thousand, six hundred twenty-five".