2543371 has 2 divisors, whose sum is σ = 2543372. Its totient is φ = 2543370.

The previous prime is 2543351. The next prime is 2543381. The reversal of 2543371 is 1733452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2543371 - 2¹¹ = 2541323 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 4 + 3⁸ + 3¹⁰ + 7³ + 1 .

It is not a weakly prime, because it can be changed into another prime (2543341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271685 + 1271686.

It is an arithmetic number, because the mean of its divisors is an integer number (1271686).

2^2543371 is an apocalyptic number.

2543371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543371 is an equidigital number, since it uses as much as digits as its factorization.

2543371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 25.

The square root of 2543371 is about 1594.7949711483. The cubic root of 2543371 is about 136.5012321714.

The spelling of 2543371 in words is "two million, five hundred forty-three thousand, three hundred seventy-one".