2665534 has 4 divisors (see below), whose sum is σ = 3998304. Its totient is φ = 1332766.

The previous prime is 2665513. The next prime is 2665547. The reversal of 2665534 is 4355662.

2665534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2665496 and 2665505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666382 + ... + 666385.

It is an arithmetic number, because the mean of its divisors is an integer number (999576).

2^2665534 is an apocalyptic number.

2665534 is a deficient number, since it is larger than the sum of its proper divisors (1332770).

2665534 is a wasteful number, since it uses less digits than its factorization.

2665534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332769.

The product of its digits is 21600, while the sum is 31.

The square root of 2665534 is about 1632.6463180983. The cubic root of 2665534 is about 138.6526184096.

The spelling of 2665534 in words is "two million, six hundred sixty-five thousand, five hundred thirty-four".