2665463 has 4 divisors (see below), whose sum is σ = 2693040. Its totient is φ = 2637888.

The previous prime is 2665459. The next prime is 2665469. The reversal of 2665463 is 3645662.

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

It is a cyclic number.

It is not a de Polignac number, because 2665463 - 2² = 2665459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13643 + ... + 13836.

It is an arithmetic number, because the mean of its divisors is an integer number (673260).

2^2665463 is an apocalyptic number.

2665463 is a deficient number, since it is larger than the sum of its proper divisors (27577).

2665463 is an equidigital number, since it uses as much as digits as its factorization.

2665463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27576.

The product of its digits is 25920, while the sum is 32.

The square root of 2665463 is about 1632.6245741137. The cubic root of 2665463 is about 138.6513873338.

The spelling of 2665463 in words is "two million, six hundred sixty-five thousand, four hundred sixty-three".