2541571 has 4 divisors (see below), whose sum is σ = 2565432. Its totient is φ = 2517712.

The previous prime is 2541563. The next prime is 2541593. The reversal of 2541571 is 1751452.

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 2541571 - 2³ = 2541563 is a prime.

2541571 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2541541) 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, 11770 + ... + 11983.

It is an arithmetic number, because the mean of its divisors is an integer number (641358).

2^2541571 is an apocalyptic number.

2541571 is a deficient number, since it is larger than the sum of its proper divisors (23861).

2541571 is a wasteful number, since it uses less digits than its factorization.

2541571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23860.

The product of its digits is 1400, while the sum is 25.

The square root of 2541571 is about 1594.2305353994. The cubic root of 2541571 is about 136.4690229232.

The spelling of 2541571 in words is "two million, five hundred forty-one thousand, five hundred seventy-one".