2658871 has 2 divisors, whose sum is σ = 2658872. Its totient is φ = 2658870.

The previous prime is 2658863. The next prime is 2658881. The reversal of 2658871 is 1788562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2658871 - 2³ = 2658863 is a prime.

It is a super-3 number, since 3×2658871³ = 56391423338988330933, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2658871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2658881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329435 + 1329436.

It is an arithmetic number, because the mean of its divisors is an integer number (1329436).

2^2658871 is an apocalyptic number.

2658871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2658871 is an equidigital number, since it uses as much as digits as its factorization.

2658871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 37.

The square root of 2658871 is about 1630.6044891389. The cubic root of 2658871 is about 138.5369926426.

The spelling of 2658871 in words is "two million, six hundred fifty-eight thousand, eight hundred seventy-one".