2051130077 has 2 divisors, whose sum is σ = 2051130078. Its totient is φ = 2051130076.

The previous prime is 2051130049. The next prime is 2051130101. The reversal of 2051130077 is 7700311502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1991747641 + 59382436 = 44629^2 + 7706^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051130077 - 2⁶ = 2051130013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051130017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025565038 + 1025565039.

It is an arithmetic number, because the mean of its divisors is an integer number (1025565039).

Almost surely, 2^2051130077 is an apocalyptic number.

It is an amenable number.

2051130077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051130077 is an equidigital number, since it uses as much as digits as its factorization.

2051130077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 2051130077 is about 45289.4035840615. The cubic root of 2051130077 is about 1270.5674767775.

Adding to 2051130077 its reverse (7700311502), we get a palindrome (9751441579).

The spelling of 2051130077 in words is "two billion, fifty-one million, one hundred thirty thousand, seventy-seven".