2542571 has 4 divisors (see below), whose sum is σ = 2692152. Its totient is φ = 2392992.

The previous prime is 2542567. The next prime is 2542577. The reversal of 2542571 is 1752452.

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 2542571 - 2² = 2542567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2542571.

It is not an unprimeable number, because it can be changed into a prime (2542577) 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, 74765 + ... + 74798.

It is an arithmetic number, because the mean of its divisors is an integer number (673038).

2^2542571 is an apocalyptic number.

2542571 is a deficient number, since it is larger than the sum of its proper divisors (149581).

2542571 is a wasteful number, since it uses less digits than its factorization.

2542571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149580.

The product of its digits is 2800, while the sum is 26.

The square root of 2542571 is about 1594.5441354820. The cubic root of 2542571 is about 136.4869188268.

It can be divided in two parts, 2542 and 571, that added together give a palindrome (3113).

The spelling of 2542571 in words is "two million, five hundred forty-two thousand, five hundred seventy-one".