2572561206 has 24 divisors (see below), whose sum is σ = 5574834720. Its totient is φ = 857373936.

The previous prime is 2572561181. The next prime is 2572561207. The reversal of 2572561206 is 6021652752.

2572561206 is a `hidden beast` number, since 2 + 5 + 72 + 561 + 20 + 6 = 666.

2572561206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572561207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168040 + ... + 182708.

It is an arithmetic number, because the mean of its divisors is an integer number (232284780).

Almost surely, 2^2572561206 is an apocalyptic number.

2572561206 is an abundant number, since it is smaller than the sum of its proper divisors (3002273514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2572561206 is a wasteful number, since it uses less digits than its factorization.

2572561206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24420 (or 24417 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2572561206 is about 50720.4219816831. The cubic root of 2572561206 is about 1370.2145411433.

The spelling of 2572561206 in words is "two billion, five hundred seventy-two million, five hundred sixty-one thousand, two hundred six".