2541286705 has 4 divisors (see below), whose sum is σ = 3049544052. Its totient is φ = 2033029360.

The previous prime is 2541286703. The next prime is 2541286717. The reversal of 2541286705 is 5076821452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1550548129 + 990738576 = 39377^2 + 31476^2 .

It is not a de Polignac number, because 2541286705 - 2¹ = 2541286703 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541286703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254128666 + ... + 254128675.

It is an arithmetic number, because the mean of its divisors is an integer number (762386013).

Almost surely, 2^2541286705 is an apocalyptic number.

It is an amenable number.

2541286705 is a deficient number, since it is larger than the sum of its proper divisors (508257347).

2541286705 is an equidigital number, since it uses as much as digits as its factorization.

2541286705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508257346.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 2541286705 is about 50411.1763897650. The cubic root of 2541286705 is about 1364.6393435034.

The spelling of 2541286705 in words is "two billion, five hundred forty-one million, two hundred eighty-six thousand, seven hundred five".