1325945 has 8 divisors (see below), whose sum is σ = 1597320. Its totient is φ = 1056640.

The previous prime is 1325941. The next prime is 1325959. The reversal of 1325945 is 5495231.

It can be written as a sum of positive squares in 4 ways, for example, as 183184 + 1142761 = 428^2 + 1069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1325945 - 2² = 1325941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325941) 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, 2285 + ... + 2805.

It is an arithmetic number, because the mean of its divisors is an integer number (199665).

2^1325945 is an apocalyptic number.

It is an amenable number.

1325945 is a deficient number, since it is larger than the sum of its proper divisors (271375).

1325945 is an equidigital number, since it uses as much as digits as its factorization.

1325945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035.

The product of its digits is 5400, while the sum is 29.

The square root of 1325945 is about 1151.4968519280. The cubic root of 1325945 is about 109.8605671352.

The spelling of 1325945 in words is "one million, three hundred twenty-five thousand, nine hundred forty-five".