5246117561 has 2 divisors, whose sum is σ = 5246117562. Its totient is φ = 5246117560.

The previous prime is 5246117543. The next prime is 5246117599. The reversal of 5246117561 is 1657116425.

It is an a-pointer prime, because the next prime (5246117599) can be obtained adding 5246117561 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2866531600 + 2379585961 = 53540^2 + 48781^2 .

It is a cyclic number.

It is not a de Polignac number, because 5246117561 - 2¹⁴ = 5246101177 is a prime.

It is not a weakly prime, because it can be changed into another prime (5246117521) 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, 2623058780 + 2623058781.

It is an arithmetic number, because the mean of its divisors is an integer number (2623058781).

Almost surely, 2^5246117561 is an apocalyptic number.

It is an amenable number.

5246117561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5246117561 is an equidigital number, since it uses as much as digits as its factorization.

5246117561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

The square root of 5246117561 is about 72430.0874015764. The cubic root of 5246117561 is about 1737.5847894443.

The spelling of 5246117561 in words is "five billion, two hundred forty-six million, one hundred seventeen thousand, five hundred sixty-one".