2542405242203 has 2 divisors, whose sum is σ = 2542405242204. Its totient is φ = 2542405242202.

The previous prime is 2542405242193. The next prime is 2542405242217. The reversal of 2542405242203 is 3022425042452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2542405242203 - 2⁴ = 2542405242187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2542405242703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271202621101 + 1271202621102.

It is an arithmetic number, because the mean of its divisors is an integer number (1271202621102).

Almost surely, 2^{2542405242203} is an apocalyptic number.

2542405242203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542405242203 is an equidigital number, since it uses as much as digits as its factorization.

2542405242203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 35.

The spelling of 2542405242203 in words is "two trillion, five hundred forty-two billion, four hundred five million, two hundred forty-two thousand, two hundred three".