2542271 has 4 divisors (see below), whose sum is σ = 2567544. Its totient is φ = 2517000.

The previous prime is 2542237. The next prime is 2542327. The reversal of 2542271 is 1722452.

It is a happy number.

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 2542271 - 2¹⁸ = 2280127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542201) 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, 12485 + ... + 12686.

It is an arithmetic number, because the mean of its divisors is an integer number (641886).

2^2542271 is an apocalyptic number.

2542271 is a deficient number, since it is larger than the sum of its proper divisors (25273).

2542271 is a wasteful number, since it uses less digits than its factorization.

2542271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25272.

The product of its digits is 1120, while the sum is 23.

The square root of 2542271 is about 1594.4500619336. The cubic root of 2542271 is about 136.4815505485.

The spelling of 2542271 in words is "two million, five hundred forty-two thousand, two hundred seventy-one".