2666485 has 4 divisors (see below), whose sum is σ = 3199788. Its totient is φ = 2133184.

The previous prime is 2666453. The next prime is 2666491. The reversal of 2666485 is 5846662.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1758276 + 908209 = 1326^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 2666485 - 2⁵ = 2666453 is a prime.

It is a super-2 number, since 2×2666485² = 14220284510450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 266644 + ... + 266653.

It is an arithmetic number, because the mean of its divisors is an integer number (799947).

2^2666485 is an apocalyptic number.

It is an amenable number.

2666485 is a deficient number, since it is larger than the sum of its proper divisors (533303).

2666485 is an equidigital number, since it uses as much as digits as its factorization.

2666485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533302.

The product of its digits is 69120, while the sum is 37.

The square root of 2666485 is about 1632.9375370785. The cubic root of 2666485 is about 138.6691057828.

The spelling of 2666485 in words is "two million, six hundred sixty-six thousand, four hundred eighty-five".