2553871 has 2 divisors, whose sum is σ = 2553872. Its totient is φ = 2553870.

The previous prime is 2553869. The next prime is 2553907. The reversal of 2553871 is 1783552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2553871 - 2¹ = 2553869 is a prime.

Together with 2553869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2553071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276935 + 1276936.

It is an arithmetic number, because the mean of its divisors is an integer number (1276936).

2^2553871 is an apocalyptic number.

2553871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553871 is an equidigital number, since it uses as much as digits as its factorization.

2553871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 31.

The square root of 2553871 is about 1598.0835397438. The cubic root of 2553871 is about 136.6888172174.

The spelling of 2553871 in words is "two million, five hundred fifty-three thousand, eight hundred seventy-one".