2506758539 has 2 divisors, whose sum is σ = 2506758540. Its totient is φ = 2506758538.

The previous prime is 2506758517. The next prime is 2506758557. The reversal of 2506758539 is 9358576052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2506758539 - 2¹⁶ = 2506693003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2506758509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253379269 + 1253379270.

It is an arithmetic number, because the mean of its divisors is an integer number (1253379270).

Almost surely, 2^2506758539 is an apocalyptic number.

2506758539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506758539 is an equidigital number, since it uses as much as digits as its factorization.

2506758539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The square root of 2506758539 is about 50067.5397737896. The cubic root of 2506758539 is about 1358.4307409824.

The spelling of 2506758539 in words is "two billion, five hundred six million, seven hundred fifty-eight thousand, five hundred thirty-nine".