2541801287 has 2 divisors, whose sum is σ = 2541801288. Its totient is φ = 2541801286.

The previous prime is 2541801233. The next prime is 2541801307. The reversal of 2541801287 is 7821081452.

2541801287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541801287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2541801287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2541801887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270900643 + 1270900644.

It is an arithmetic number, because the mean of its divisors is an integer number (1270900644).

Almost surely, 2^2541801287 is an apocalyptic number.

2541801287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541801287 is an equidigital number, since it uses as much as digits as its factorization.

2541801287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 2541801287 is about 50416.2799797843. The cubic root of 2541801287 is about 1364.7314453311.

The spelling of 2541801287 in words is "two billion, five hundred forty-one million, eight hundred one thousand, two hundred eighty-seven".