2539268117 has 2 divisors, whose sum is σ = 2539268118. Its totient is φ = 2539268116.

The previous prime is 2539268111. The next prime is 2539268119. The reversal of 2539268117 is 7118629352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2022660676 + 516607441 = 44974^2 + 22729^2 .

It is a cyclic number.

It is not a de Polignac number, because 2539268117 - 2²⁶ = 2472159253 is a prime.

Together with 2539268119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2539268111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269634058 + 1269634059.

It is an arithmetic number, because the mean of its divisors is an integer number (1269634059).

Almost surely, 2^2539268117 is an apocalyptic number.

It is an amenable number.

2539268117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539268117 is an equidigital number, since it uses as much as digits as its factorization.

2539268117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 2539268117 is about 50391.1511775629. The cubic root of 2539268117 is about 1364.2779289132.

The spelling of 2539268117 in words is "two billion, five hundred thirty-nine million, two hundred sixty-eight thousand, one hundred seventeen".