2681125 has 16 divisors (see below), whose sum is σ = 3397680. Its totient is φ = 2112000.

The previous prime is 2681117. The next prime is 2681141. The reversal of 2681125 is 5211862.

It can be written as a sum of positive squares in 8 ways, for example, as 954529 + 1726596 = 977^2 + 1314^2 .

It is not a de Polignac number, because 2681125 - 2³ = 2681117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2681125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11005 + ... + 11245.

It is an arithmetic number, because the mean of its divisors is an integer number (212355).

2^2681125 is an apocalyptic number.

2681125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2681125 is a deficient number, since it is larger than the sum of its proper divisors (716555).

2681125 is an equidigital number, since it uses as much as digits as its factorization.

2681125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 335 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 2681125 is about 1637.4141198854. The cubic root of 2681125 is about 138.9224244946.

Adding to 2681125 its reverse (5211862), we get a palindrome (7892987).

The spelling of 2681125 in words is "two million, six hundred eighty-one thousand, one hundred twenty-five".