2512161251 has 2 divisors, whose sum is σ = 2512161252. Its totient is φ = 2512161250.

The previous prime is 2512161227. The next prime is 2512161271. The reversal of 2512161251 is 1521612152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2512161251 - 2⁶ = 2512161187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2512161251.

It is not a weakly prime, because it can be changed into another prime (2512161271) 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, 1256080625 + 1256080626.

It is an arithmetic number, because the mean of its divisors is an integer number (1256080626).

Almost surely, 2^2512161251 is an apocalyptic number.

2512161251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512161251 is an equidigital number, since it uses as much as digits as its factorization.

2512161251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 26.

The square root of 2512161251 is about 50121.4649726043. The cubic root of 2512161251 is about 1359.4059637152.

The spelling of 2512161251 in words is "two billion, five hundred twelve million, one hundred sixty-one thousand, two hundred fifty-one".