2453543 has 2 divisors, whose sum is σ = 2453544. Its totient is φ = 2453542.

The previous prime is 2453531. The next prime is 2453567. The reversal of 2453543 is 3453542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2453543 - 2¹⁰ = 2452519 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2453573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226771 + 1226772.

It is an arithmetic number, because the mean of its divisors is an integer number (1226772).

2^2453543 is an apocalyptic number.

2453543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2453543 is an equidigital number, since it uses as much as digits as its factorization.

2453543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 26.

The square root of 2453543 is about 1566.3789452109. The cubic root of 2453543 is about 134.8749275994.

Subtracting 2453543 from its reverse (3453542), we obtain a palindrome (999999).

The spelling of 2453543 in words is "two million, four hundred fifty-three thousand, five hundred forty-three".