2544523 has 2 divisors, whose sum is σ = 2544524. Its totient is φ = 2544522.

The previous prime is 2544517. The next prime is 2544539. The reversal of 2544523 is 3254452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2544523 - 2⁹ = 2544011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2544623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272261 + 1272262.

It is an arithmetic number, because the mean of its divisors is an integer number (1272262).

2^2544523 is an apocalyptic number.

2544523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544523 is an equidigital number, since it uses as much as digits as its factorization.

2544523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 25.

The square root of 2544523 is about 1595.1561052135. The cubic root of 2544523 is about 136.5218381158.

Adding to 2544523 its reverse (3254452), we get a palindrome (5798975).

The spelling of 2544523 in words is "two million, five hundred forty-four thousand, five hundred twenty-three".