2572816 has 15 divisors (see below), whose sum is σ = 4997293. Its totient is φ = 1283200.

The previous prime is 2572811. The next prime is 2572859. The reversal of 2572816 is 6182752.

The square root of 2572816 is 1604.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2547216 + 25600 = 1596^2 + 160^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2572811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6216 + ... + 6616.

2^2572816 is an apocalyptic number.

2572816 is the 1604-th square number.

It is an amenable number.

2572816 is a deficient number, since it is larger than the sum of its proper divisors (2424477).

2572816 is an frugal number, since it uses more digits than its factorization.

2572816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 403 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The cubic root of 2572816 is about 137.0259776338.

The spelling of 2572816 in words is "two million, five hundred seventy-two thousand, eight hundred sixteen".