5177522081 has 2 divisors, whose sum is σ = 5177522082. Its totient is φ = 5177522080.

The previous prime is 5177521991. The next prime is 5177522087. The reversal of 5177522081 is 1802257715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4599552400 + 577969681 = 67820^2 + 24041^2 .

It is a cyclic number.

It is not a de Polignac number, because 5177522081 - 2¹⁰ = 5177521057 is a prime.

It is a super-2 number, since 2×5177522081² = 53613469798485141122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5177522087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2588761040 + 2588761041.

It is an arithmetic number, because the mean of its divisors is an integer number (2588761041).

Almost surely, 2^5177522081 is an apocalyptic number.

It is an amenable number.

5177522081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5177522081 is an equidigital number, since it uses as much as digits as its factorization.

5177522081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 5177522081 is about 71955.0003891321. Note that the first 3 decimals coincide. The cubic root of 5177522081 is about 1729.9782906828.

Adding to 5177522081 its reverse (1802257715), we get a palindrome (6979779796).

The spelling of 5177522081 in words is "five billion, one hundred seventy-seven million, five hundred twenty-two thousand, eighty-one".