2051251151 has 2 divisors, whose sum is σ = 2051251152. Its totient is φ = 2051251150.

The previous prime is 2051251141. The next prime is 2051251207. The reversal of 2051251151 is 1511521502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2051251151 - 2¹⁸ = 2050989007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051251141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025625575 + 1025625576.

It is an arithmetic number, because the mean of its divisors is an integer number (1025625576).

Almost surely, 2^2051251151 is an apocalyptic number.

2051251151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051251151 is an equidigital number, since it uses as much as digits as its factorization.

2051251151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 2051251151 is about 45290.7402346219. The cubic root of 2051251151 is about 1270.5924759494.

Adding to 2051251151 its reverse (1511521502), we get a palindrome (3562772653).

The spelling of 2051251151 in words is "two billion, fifty-one million, two hundred fifty-one thousand, one hundred fifty-one".