2512078109 has 2 divisors, whose sum is σ = 2512078110. Its totient is φ = 2512078108.

The previous prime is 2512078099. The next prime is 2512078123. The reversal of 2512078109 is 9018702152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1555908025 + 956170084 = 39445^2 + 30922^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512078109 - 2⁸ = 2512077853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2512078609) 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, 1256039054 + 1256039055.

It is an arithmetic number, because the mean of its divisors is an integer number (1256039055).

Almost surely, 2^2512078109 is an apocalyptic number.

It is an amenable number.

2512078109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512078109 is an equidigital number, since it uses as much as digits as its factorization.

2512078109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 2512078109 is about 50120.6355606152. The cubic root of 2512078109 is about 1359.3909666713.

The spelling of 2512078109 in words is "two billion, five hundred twelve million, seventy-eight thousand, one hundred nine".