2655745 has 8 divisors (see below), whose sum is σ = 3210984. Its totient is φ = 2108544.

The previous prime is 2655727. The next prime is 2655761. The reversal of 2655745 is 5475562.

It can be written as a sum of positive squares in 4 ways, for example, as 146689 + 2509056 = 383^2 + 1584^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2655745 - 2¹¹ = 2653697 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2655745.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (401373).

2^2655745 is an apocalyptic number.

It is an amenable number.

2655745 is a deficient number, since it is larger than the sum of its proper divisors (555239).

2655745 is a wasteful number, since it uses less digits than its factorization.

2655745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019.

The product of its digits is 42000, while the sum is 34.

The square root of 2655745 is about 1629.6456670086. The cubic root of 2655745 is about 138.4826793060.

The spelling of 2655745 in words is "two million, six hundred fifty-five thousand, seven hundred forty-five".