2547887 has 2 divisors, whose sum is σ = 2547888. Its totient is φ = 2547886.

The previous prime is 2547847. The next prime is 2547893. The reversal of 2547887 is 7887452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2547887 - 2⁸ = 2547631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2547817) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273943 + 1273944.

It is an arithmetic number, because the mean of its divisors is an integer number (1273944).

2^2547887 is an apocalyptic number.

2547887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2547887 is an equidigital number, since it uses as much as digits as its factorization.

2547887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125440, while the sum is 41.

The square root of 2547887 is about 1596.2101991906. The cubic root of 2547887 is about 136.5819747600.

The spelling of 2547887 in words is "two million, five hundred forty-seven thousand, eight hundred eighty-seven".