2572665 has 16 divisors (see below), whose sum is σ = 4295808. Its totient is φ = 1312256.

The previous prime is 2572663. The next prime is 2572667. The reversal of 2572665 is 5662752.

2572665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2572663) and next prime (2572667).

It is a cyclic number.

It is not a de Polignac number, because 2572665 - 2¹ = 2572663 is a prime.

It is a d-powerful number, because it can be written as 2² + 5⁴ + 7⁷ + 2¹⁶ + 6³ + 6⁸ + 5⁵ .

It is not an unprimeable number, because it can be changed into a prime (2572663) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 3384 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (268488).

2^2572665 is an apocalyptic number.

It is an amenable number.

2572665 is a deficient number, since it is larger than the sum of its proper divisors (1723143).

2572665 is a wasteful number, since it uses less digits than its factorization.

2572665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488.

The product of its digits is 25200, while the sum is 33.

The square root of 2572665 is about 1603.9529294839. The cubic root of 2572665 is about 137.0232968711.

The spelling of 2572665 in words is "two million, five hundred seventy-two thousand, six hundred sixty-five".