1325644 has 12 divisors (see below), whose sum is σ = 2333968. Its totient is φ = 658800.

The previous prime is 1325633. The next prime is 1325657. The reversal of 1325644 is 4465231.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192 + ... + 1639.

2^1325644 is an apocalyptic number.

It is an amenable number.

1325644 is a deficient number, since it is larger than the sum of its proper divisors (1008324).

1325644 is a wasteful number, since it uses less digits than its factorization.

1325644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2014 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 1325644 is about 1151.3661450642. The cubic root of 1325644 is about 109.8522534336.

It can be divided in two parts, 132 and 5644, that added together give a square (5776 = 76²).

The spelling of 1325644 in words is "one million, three hundred twenty-five thousand, six hundred forty-four".