2572605 has 24 divisors (see below), whose sum is σ = 5096832. Its totient is φ = 1175904.

The previous prime is 2572589. The next prime is 2572607. The reversal of 2572605 is 5062752.

2572605 is a `hidden beast` number, since 2 + 57 + 2 + 605 = 666.

2572605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2572605 - 2⁴ = 2572589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572607) 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 23 ways as a sum of consecutive naturals, for example, 3769 + ... + 4398.

It is an arithmetic number, because the mean of its divisors is an integer number (212368).

2^2572605 is an apocalyptic number.

It is an amenable number.

2572605 is a deficient number, since it is larger than the sum of its proper divisors (2524227).

2572605 is a wasteful number, since it uses less digits than its factorization.

2572605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185 (or 8182 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 2572605 is about 1603.9342255841. The cubic root of 2572605 is about 137.0222316382.

The spelling of 2572605 in words is "two million, five hundred seventy-two thousand, six hundred five".