1325000 has 48 divisors (see below), whose sum is σ = 3163860. Its totient is φ = 520000.

The previous prime is 1324979. The next prime is 1325011. The reversal of 1325000 is 5231.

It can be written as a sum of positive squares in 6 ways, for example, as 75076 + 1249924 = 274^2 + 1118^2 .

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, 24974 + ... + 25026.

2^1325000 is an apocalyptic number.

1325000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1581930).

1325000 is an abundant number, since it is smaller than the sum of its proper divisors (1838860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325000 is an frugal number, since it uses more digits than its factorization.

1325000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 1325000 is about 1151.0864433221. The cubic root of 1325000 is about 109.8344617514.

The spelling of 1325000 in words is "one million, three hundred twenty-five thousand".