2651305605251 has 2 divisors, whose sum is σ = 2651305605252. Its totient is φ = 2651305605250.

The previous prime is 2651305605229. The next prime is 2651305605271. The reversal of 2651305605251 is 1525065031562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2651305605251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2651305605199 and 2651305605208.

It is not a weakly prime, because it can be changed into another prime (2651305605271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325652802625 + 1325652802626.

It is an arithmetic number, because the mean of its divisors is an integer number (1325652802626).

Almost surely, 2^{2651305605251} is an apocalyptic number.

2651305605251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651305605251 is an equidigital number, since it uses as much as digits as its factorization.

2651305605251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 2651305605251 in words is "two trillion, six hundred fifty-one billion, three hundred five million, six hundred five thousand, two hundred fifty-one".