2681325 has 36 divisors (see below), whose sum is σ = 5092308. Its totient is φ = 1344000.

The previous prime is 2681321. The next prime is 2681347. The reversal of 2681325 is 5231862.

It can be written as a sum of positive squares in 6 ways, for example, as 114921 + 2566404 = 339^2 + 1602^2 .

It is not a de Polignac number, because 2681325 - 2² = 2681321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681321) 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, 3475 + ... + 4175.

It is an arithmetic number, because the mean of its divisors is an integer number (141453).

2^2681325 is an apocalyptic number.

2681325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2681325 is a deficient number, since it is larger than the sum of its proper divisors (2410983).

2681325 is a wasteful number, since it uses less digits than its factorization.

2681325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 726 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2681325 is about 1637.4751906518. The cubic root of 2681325 is about 138.9258787403.

The spelling of 2681325 in words is "two million, six hundred eighty-one thousand, three hundred twenty-five".