2512665004061 has 2 divisors, whose sum is σ = 2512665004062. Its totient is φ = 2512665004060.

The previous prime is 2512665003991. The next prime is 2512665004063. The reversal of 2512665004061 is 1604005662152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2338666732900 + 173998271161 = 1529270^2 + 417131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2512665004061 is a prime.

It is a Sophie Germain prime.

Together with 2512665004063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2512665004063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256332502030 + 1256332502031.

It is an arithmetic number, because the mean of its divisors is an integer number (1256332502031).

Almost surely, 2^{2512665004061} is an apocalyptic number.

It is an amenable number.

2512665004061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512665004061 is an equidigital number, since it uses as much as digits as its factorization.

2512665004061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 2512665004061 in words is "two trillion, five hundred twelve billion, six hundred sixty-five million, four thousand, sixty-one".