2542408277 has 2 divisors, whose sum is σ = 2542408278. Its totient is φ = 2542408276.

The previous prime is 2542408261. The next prime is 2542408283. The reversal of 2542408277 is 7728042452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1828930756 + 713477521 = 42766^2 + 26711^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542408277 - 2⁴ = 2542408261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542408207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271204138 + 1271204139.

It is an arithmetic number, because the mean of its divisors is an integer number (1271204139).

Almost surely, 2^2542408277 is an apocalyptic number.

It is an amenable number.

2542408277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542408277 is an equidigital number, since it uses as much as digits as its factorization.

2542408277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250880, while the sum is 41.

The square root of 2542408277 is about 50422.2994021494. The cubic root of 2542408277 is about 1364.8400707134.

The spelling of 2542408277 in words is "two billion, five hundred forty-two million, four hundred eight thousand, two hundred seventy-seven".