1440325 has 12 divisors (see below), whose sum is σ = 1891620. Its totient is φ = 1084160.

The previous prime is 1440317. The next prime is 1440349. The reversal of 1440325 is 5230441.

It can be written as a sum of positive squares in 6 ways, for example, as 136161 + 1304164 = 369^2 + 1142^2 .

It is not a de Polignac number, because 1440325 - 2³ = 1440317 is a prime.

It is a super-2 number, since 2×1440325² = 4149072211250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1270 + ... + 2119.

It is an arithmetic number, because the mean of its divisors is an integer number (157635).

2^1440325 is an apocalyptic number.

It is an amenable number.

1440325 is a deficient number, since it is larger than the sum of its proper divisors (451295).

1440325 is a wasteful number, since it uses less digits than its factorization.

1440325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416 (or 3411 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1440325 is about 1200.1354090268. The cubic root of 1440325 is about 112.9328182908.

Adding to 1440325 its reverse (5230441), we get a palindrome (6670766).

The spelling of 1440325 in words is "one million, four hundred forty thousand, three hundred twenty-five".