2051251207 has 2 divisors, whose sum is σ = 2051251208. Its totient is φ = 2051251206.

The previous prime is 2051251151. The next prime is 2051251211. The reversal of 2051251207 is 7021521502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051251207 - 2¹⁵ = 2051218439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2351251207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025625603 + 1025625604.

It is an arithmetic number, because the mean of its divisors is an integer number (1025625604).

Almost surely, 2^2051251207 is an apocalyptic number.

2051251207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051251207 is an equidigital number, since it uses as much as digits as its factorization.

2051251207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 2051251207 is about 45290.7408528498. The cubic root of 2051251207 is about 1270.5924875120.

Adding to 2051251207 its reverse (7021521502), we get a palindrome (9072772709).

The spelling of 2051251207 in words is "two billion, fifty-one million, two hundred fifty-one thousand, two hundred seven".