2651529161 has 2 divisors, whose sum is σ = 2651529162. Its totient is φ = 2651529160.

The previous prime is 2651529121. The next prime is 2651529203. The reversal of 2651529161 is 1619251562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1975269136 + 676260025 = 44444^2 + 26005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2651529161 - 2¹⁰ = 2651528137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2651529121) 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, 1325764580 + 1325764581.

It is an arithmetic number, because the mean of its divisors is an integer number (1325764581).

Almost surely, 2^2651529161 is an apocalyptic number.

It is an amenable number.

2651529161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651529161 is an equidigital number, since it uses as much as digits as its factorization.

2651529161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 38.

The square root of 2651529161 is about 51493.0010875264. The cubic root of 2651529161 is about 1384.0936279406.

The spelling of 2651529161 in words is "two billion, six hundred fifty-one million, five hundred twenty-nine thousand, one hundred sixty-one".