2681553 has 16 divisors (see below), whose sum is σ = 4118400. Its totient is φ = 1520256.

The previous prime is 2681533. The next prime is 2681557. The reversal of 2681553 is 3551862.

2681553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2681553 - 2⁵ = 2681521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2681553.

It is not an unprimeable number, because it can be changed into a prime (2681557) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2701 + ... + 3557.

It is an arithmetic number, because the mean of its divisors is an integer number (257400).

2^2681553 is an apocalyptic number.

It is an amenable number.

2681553 is a deficient number, since it is larger than the sum of its proper divisors (1436847).

2681553 is a wasteful number, since it uses less digits than its factorization.

2681553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

The product of its digits is 7200, while the sum is 30.

The square root of 2681553 is about 1637.5448085472. The cubic root of 2681553 is about 138.9298163710.

The spelling of 2681553 in words is "two million, six hundred eighty-one thousand, five hundred fifty-three".