2681353 has 4 divisors (see below), whose sum is σ = 2753860. Its totient is φ = 2608848.

The previous prime is 2681347. The next prime is 2681381. The reversal of 2681353 is 3531862.

It is the 669-th star number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1272384 + 1408969 = 1128^2 + 1187^2 .

It is a cyclic number.

It is not a de Polignac number, because 2681353 - 2⁵ = 2681321 is a prime.

It is a Duffinian number.

2681353 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2681453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36198 + ... + 36271.

It is an arithmetic number, because the mean of its divisors is an integer number (688465).

2^2681353 is an apocalyptic number.

It is an amenable number.

2681353 is a deficient number, since it is larger than the sum of its proper divisors (72507).

2681353 is an equidigital number, since it uses as much as digits as its factorization.

2681353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72506.

The product of its digits is 4320, while the sum is 28.

The square root of 2681353 is about 1637.4837403773. The cubic root of 2681353 is about 138.9263623210.

The spelling of 2681353 in words is "two million, six hundred eighty-one thousand, three hundred fifty-three".