1001325 has 36 divisors (see below), whose sum is σ = 1815360. Its totient is φ = 486720.

The previous prime is 1001323. The next prime is 1001327. The reversal of 1001325 is 5231001.

It is an interprime number because it is at equal distance from previous prime (1001323) and next prime (1001327).

It is not a de Polignac number, because 1001325 - 2¹ = 1001323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12636 + ... + 12714.

2^1001325 is an apocalyptic number.

1001325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001325 is a deficient number, since it is larger than the sum of its proper divisors (814035).

1001325 is a wasteful number, since it uses less digits than its factorization.

1001325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1001325 is about 1000.6622806921. The cubic root of 1001325 is about 100.0441471741.

Adding to 1001325 its reverse (5231001), we get a palindrome (6232326).

It can be divided in two parts, 1001 and 325, that added together give a triangular number (1326 = T₅₁).

The spelling of 1001325 in words is "one million, one thousand, three hundred twenty-five".