2542103549 has 2 divisors, whose sum is σ = 2542103550. Its totient is φ = 2542103548.

The previous prime is 2542103527. The next prime is 2542103561. The reversal of 2542103549 is 9453012452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2507505625 + 34597924 = 50075^2 + 5882^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542103549 - 2¹² = 2542099453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542103519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271051774 + 1271051775.

It is an arithmetic number, because the mean of its divisors is an integer number (1271051775).

Almost surely, 2^2542103549 is an apocalyptic number.

It is an amenable number.

2542103549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542103549 is an equidigital number, since it uses as much as digits as its factorization.

2542103549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2542103549 is about 50419.2775533327. The cubic root of 2542103549 is about 1364.7855395291.

The spelling of 2542103549 in words is "two billion, five hundred forty-two million, one hundred three thousand, five hundred forty-nine".