5106559261 has 2 divisors, whose sum is σ = 5106559262. Its totient is φ = 5106559260.

The previous prime is 5106559247. The next prime is 5106559267. The reversal of 5106559261 is 1629556015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4104836761 + 1001722500 = 64069^2 + 31650^2 .

It is a cyclic number.

It is not a de Polignac number, because 5106559261 - 2⁹ = 5106558749 is a prime.

It is a super-2 number, since 2×5106559261² = 52153894972209732242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5106559267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553279630 + 2553279631.

It is an arithmetic number, because the mean of its divisors is an integer number (2553279631).

Almost surely, 2^5106559261 is an apocalyptic number.

It is an amenable number.

5106559261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5106559261 is an equidigital number, since it uses as much as digits as its factorization.

5106559261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 5106559261 is about 71460.1935415795. The cubic root of 5106559261 is about 1722.0382431547.

The spelling of 5106559261 in words is "five billion, one hundred six million, five hundred fifty-nine thousand, two hundred sixty-one".