2587841 has 2 divisors, whose sum is σ = 2587842. Its totient is φ = 2587840.

The previous prime is 2587829. The next prime is 2587847. The reversal of 2587841 is 1487852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2337841 + 250000 = 1529^2 + 500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2587841 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 5⁷ + 8⁵ + 7⁶ + 8⁷ + 4⁹ + 1 .

It is not a weakly prime, because it can be changed into another prime (2587847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1293920 + 1293921.

It is an arithmetic number, because the mean of its divisors is an integer number (1293921).

2^2587841 is an apocalyptic number.

It is an amenable number.

2587841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2587841 is an equidigital number, since it uses as much as digits as its factorization.

2587841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17920, while the sum is 35.

The square root of 2587841 is about 1608.6767854358. The cubic root of 2587841 is about 137.2921996132.

The spelling of 2587841 in words is "two million, five hundred eighty-seven thousand, eight hundred forty-one".