2051030077 has 2 divisors, whose sum is σ = 2051030078. Its totient is φ = 2051030076.

The previous prime is 2051030071. The next prime is 2051030101. The reversal of 2051030077 is 7700301502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1583562436 + 467467641 = 39794^2 + 21621^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051030077 - 2⁷ = 2051029949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051030071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025515038 + 1025515039.

It is an arithmetic number, because the mean of its divisors is an integer number (1025515039).

Almost surely, 2^2051030077 is an apocalyptic number.

It is an amenable number.

2051030077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051030077 is an equidigital number, since it uses as much as digits as its factorization.

2051030077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 2051030077 is about 45288.2995595993. The cubic root of 2051030077 is about 1270.5468281907.

Adding to 2051030077 its reverse (7700301502), we get a palindrome (9751331579).

The spelling of 2051030077 in words is "two billion, fifty-one million, thirty thousand, seventy-seven".