5129779 has 2 divisors, whose sum is σ = 5129780. Its totient is φ = 5129778.

The previous prime is 5129749. The next prime is 5129807. The reversal of 5129779 is 9779215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5129779 is a prime.

5129779 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5129749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564889 + 2564890.

It is an arithmetic number, because the mean of its divisors is an integer number (2564890).

Almost surely, 2^5129779 is an apocalyptic number.

5129779 is a deficient number, since it is larger than the sum of its proper divisors (1).

5129779 is an equidigital number, since it uses as much as digits as its factorization.

5129779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 40.

The square root of 5129779 is about 2264.9015431140. The cubic root of 5129779 is about 172.4644357124.

The spelling of 5129779 in words is "five million, one hundred twenty-nine thousand, seven hundred seventy-nine".