2517932779 has 2 divisors, whose sum is σ = 2517932780. Its totient is φ = 2517932778.

The previous prime is 2517932777. The next prime is 2517932803. The reversal of 2517932779 is 9772397152.

2517932779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2517932779 - 2¹ = 2517932777 is a prime.

Together with 2517932777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2517932777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258966389 + 1258966390.

It is an arithmetic number, because the mean of its divisors is an integer number (1258966390).

Almost surely, 2^2517932779 is an apocalyptic number.

2517932779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2517932779 is an equidigital number, since it uses as much as digits as its factorization.

2517932779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1666980, while the sum is 52.

The square root of 2517932779 is about 50179.0073536733. The cubic root of 2517932779 is about 1360.4462165775.

The spelling of 2517932779 in words is "two billion, five hundred seventeen million, nine hundred thirty-two thousand, seven hundred seventy-nine".