2540424503 has 2 divisors, whose sum is σ = 2540424504. Its totient is φ = 2540424502.

The previous prime is 2540424499. The next prime is 2540424511. The reversal of 2540424503 is 3054240452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2540424503 - 2² = 2540424499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540424533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270212251 + 1270212252.

It is an arithmetic number, because the mean of its divisors is an integer number (1270212252).

Almost surely, 2^2540424503 is an apocalyptic number.

2540424503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540424503 is an equidigital number, since it uses as much as digits as its factorization.

2540424503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2540424503 is about 50402.6239693927. The cubic root of 2540424503 is about 1364.4849954642.

Adding to 2540424503 its reverse (3054240452), we get a palindrome (5594664955).

The spelling of 2540424503 in words is "two billion, five hundred forty million, four hundred twenty-four thousand, five hundred three".