2573306 has 4 divisors (see below), whose sum is σ = 3859962. Its totient is φ = 1286652.

The previous prime is 2573293. The next prime is 2573339. The reversal of 2573306 is 6033752.

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

It can be written as a sum of positive squares in only one way, i.e., 2531281 + 42025 = 1591^2 + 205^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643325 + ... + 643328.

2^2573306 is an apocalyptic number.

2573306 is a deficient number, since it is larger than the sum of its proper divisors (1286656).

2573306 is a wasteful number, since it uses less digits than its factorization.

2573306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286655.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 2573306 is about 1604.1527358702. The cubic root of 2573306 is about 137.0346760751.

The spelling of 2573306 in words is "two million, five hundred seventy-three thousand, three hundred six".