2549655 has 12 divisors (see below), whose sum is σ = 4419480. Its totient is φ = 1359792.

The previous prime is 2549647. The next prime is 2549669. The reversal of 2549655 is 5569452.

It is not a de Polignac number, because 2549655 - 2³ = 2549647 is a prime.

2549655 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28285 + ... + 28374.

It is an arithmetic number, because the mean of its divisors is an integer number (368290).

2^2549655 is an apocalyptic number.

2549655 is a deficient number, since it is larger than the sum of its proper divisors (1869825).

2549655 is a wasteful number, since it uses less digits than its factorization.

2549655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56670 (or 56667 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 2549655 is about 1596.7639149229. The cubic root of 2549655 is about 136.6135592453.

The spelling of 2549655 in words is "two million, five hundred forty-nine thousand, six hundred fifty-five".