2506316539 has 2 divisors, whose sum is σ = 2506316540. Its totient is φ = 2506316538.

The previous prime is 2506316537. The next prime is 2506316563. The reversal of 2506316539 is 9356136052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2506316539 - 2¹ = 2506316537 is a prime.

Together with 2506316537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2506316537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253158269 + 1253158270.

It is an arithmetic number, because the mean of its divisors is an integer number (1253158270).

Almost surely, 2^2506316539 is an apocalyptic number.

2506316539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506316539 is an equidigital number, since it uses as much as digits as its factorization.

2506316539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 2506316539 is about 50063.1255416599. The cubic root of 2506316539 is about 1358.3508952811.

The spelling of 2506316539 in words is "two billion, five hundred six million, three hundred sixteen thousand, five hundred thirty-nine".