2541871 has 4 divisors (see below), whose sum is σ = 2577744. Its totient is φ = 2506000.

The previous prime is 2541853. The next prime is 2541883. The reversal of 2541871 is 1781452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2541871 - 2⁷ = 2541743 is a prime.

It is a super-2 number, since 2×2541871² = 12922216361282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17830 + ... + 17971.

It is an arithmetic number, because the mean of its divisors is an integer number (644436).

2^2541871 is an apocalyptic number.

2541871 is a deficient number, since it is larger than the sum of its proper divisors (35873).

2541871 is an equidigital number, since it uses as much as digits as its factorization.

2541871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35872.

The product of its digits is 2240, while the sum is 28.

The square root of 2541871 is about 1594.3246219011. The cubic root of 2541871 is about 136.4743921871.

The spelling of 2541871 in words is "two million, five hundred forty-one thousand, eight hundred seventy-one".