2665955 has 4 divisors (see below), whose sum is σ = 3199152. Its totient is φ = 2132760.

The previous prime is 2665939. The next prime is 2665967. The reversal of 2665955 is 5595662.

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

It is not a de Polignac number, because 2665955 - 2⁴ = 2665939 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, 266591 + ... + 266600.

It is an arithmetic number, because the mean of its divisors is an integer number (799788).

2^2665955 is an apocalyptic number.

2665955 is a deficient number, since it is larger than the sum of its proper divisors (533197).

2665955 is an equidigital number, since it uses as much as digits as its factorization.

2665955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533196.

The product of its digits is 81000, while the sum is 38.

The square root of 2665955 is about 1632.7752447903. The cubic root of 2665955 is about 138.6599177199.

The spelling of 2665955 in words is "two million, six hundred sixty-five thousand, nine hundred fifty-five".