2051254913 has 2 divisors, whose sum is σ = 2051254914. Its totient is φ = 2051254912.

The previous prime is 2051254889. The next prime is 2051254943. The reversal of 2051254913 is 3194521502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1368112144 + 683142769 = 36988^2 + 26137^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051254913 - 2⁸ = 2051254657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2051254913.

It is not a weakly prime, because it can be changed into another prime (2051254943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025627456 + 1025627457.

It is an arithmetic number, because the mean of its divisors is an integer number (1025627457).

Almost surely, 2^2051254913 is an apocalyptic number.

It is an amenable number.

2051254913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051254913 is an equidigital number, since it uses as much as digits as its factorization.

2051254913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2051254913 is about 45290.7817662712. The cubic root of 2051254913 is about 1270.5932527056.

The spelling of 2051254913 in words is "two billion, fifty-one million, two hundred fifty-four thousand, nine hundred thirteen".