1611325 has 6 divisors (see below), whose sum is σ = 1998074. Its totient is φ = 1289040.

The previous prime is 1611319. The next prime is 1611331. The reversal of 1611325 is 5231161.

It is an interprime number because it is at equal distance from previous prime (1611319) and next prime (1611331).

It can be written as a sum of positive squares in 3 ways, for example, as 26244 + 1585081 = 162^2 + 1259^2 .

It is not a de Polignac number, because 1611325 - 2⁵ = 1611293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32202 + ... + 32251.

2^1611325 is an apocalyptic number.

It is an amenable number.

1611325 is a deficient number, since it is larger than the sum of its proper divisors (386749).

1611325 is an equidigital number, since it uses as much as digits as its factorization.

1611325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64463 (or 64458 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 1611325 is about 1269.3797698089. The cubic root of 1611325 is about 117.2360151714.

Adding to 1611325 its reverse (5231161), we get a palindrome (6842486).

It can be divided in two parts, 1611 and 325, that added together give a square (1936 = 44²).

The spelling of 1611325 in words is "one million, six hundred eleven thousand, three hundred twenty-five".