2566240245 has 32 divisors (see below), whose sum is σ = 4609261440. Its totient is φ = 1354544640.

The previous prime is 2566240241. The next prime is 2566240267. The reversal of 2566240245 is 5420426652.

2566240245 is a `hidden beast` number, since 2 + 5 + 6 + 624 + 0 + 24 + 5 = 666.

It is not a de Polignac number, because 2566240245 - 2² = 2566240241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566240241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84891 + ... + 111080.

It is an arithmetic number, because the mean of its divisors is an integer number (144039420).

Almost surely, 2^2566240245 is an apocalyptic number.

It is an amenable number.

2566240245 is a deficient number, since it is larger than the sum of its proper divisors (2043021195).

2566240245 is a wasteful number, since it uses less digits than its factorization.

2566240245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196082 (or 196076 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 2566240245 is about 50658.0718642153. The cubic root of 2566240245 is about 1369.0913834158.

Adding to 2566240245 its reverse (5420426652), we get a palindrome (7986666897).

The spelling of 2566240245 in words is "two billion, five hundred sixty-six million, two hundred forty thousand, two hundred forty-five".