2541785879 has 2 divisors, whose sum is σ = 2541785880. Its totient is φ = 2541785878.

The previous prime is 2541785863. The next prime is 2541785893. The reversal of 2541785879 is 9785871452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2541785879 - 2⁴ = 2541785863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2541785809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270892939 + 1270892940.

It is an arithmetic number, because the mean of its divisors is an integer number (1270892940).

Almost surely, 2^2541785879 is an apocalyptic number.

2541785879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541785879 is an equidigital number, since it uses as much as digits as its factorization.

2541785879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5644800, while the sum is 56.

The square root of 2541785879 is about 50416.1271717692. The cubic root of 2541785879 is about 1364.7286877297.

The spelling of 2541785879 in words is "two billion, five hundred forty-one million, seven hundred eighty-five thousand, eight hundred seventy-nine".