2525229779 has 2 divisors, whose sum is σ = 2525229780. Its totient is φ = 2525229778.

The previous prime is 2525229767. The next prime is 2525229821. The reversal of 2525229779 is 9779225252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2525229779 is a prime.

It is not a weakly prime, because it can be changed into another prime (2525229709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262614889 + 1262614890.

It is an arithmetic number, because the mean of its divisors is an integer number (1262614890).

Almost surely, 2^2525229779 is an apocalyptic number.

2525229779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525229779 is an equidigital number, since it uses as much as digits as its factorization.

2525229779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 50.

The square root of 2525229779 is about 50251.6644400959. The cubic root of 2525229779 is about 1361.7591456918.

The spelling of 2525229779 in words is "two billion, five hundred twenty-five million, two hundred twenty-nine thousand, seven hundred seventy-nine".