2657755 has 4 divisors (see below), whose sum is σ = 3189312. Its totient is φ = 2126200.

The previous prime is 2657741. The next prime is 2657761. The reversal of 2657755 is 5577562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5577562 = 2 ⋅2788781.

It is not a de Polignac number, because 2657755 - 2⁹ = 2657243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265771 + ... + 265780.

It is an arithmetic number, because the mean of its divisors is an integer number (797328).

2^2657755 is an apocalyptic number.

2657755 is a deficient number, since it is larger than the sum of its proper divisors (531557).

2657755 is an equidigital number, since it uses as much as digits as its factorization.

2657755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531556.

The product of its digits is 73500, while the sum is 37.

The square root of 2657755 is about 1630.2622488422. The cubic root of 2657755 is about 138.5176073572.

The spelling of 2657755 in words is "two million, six hundred fifty-seven thousand, seven hundred fifty-five".