5125570561 has 2 divisors, whose sum is σ = 5125570562. Its totient is φ = 5125570560.

The previous prime is 5125570553. The next prime is 5125570613. The reversal of 5125570561 is 1650755215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5123696400 + 1874161 = 71580^2 + 1369^2 .

It is a cyclic number.

It is not a de Polignac number, because 5125570561 - 2³ = 5125570553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5125570561.

It is not a weakly prime, because it can be changed into another prime (5125570061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562785280 + 2562785281.

It is an arithmetic number, because the mean of its divisors is an integer number (2562785281).

It is a Proth number, since it is equal to 39105 ⋅ 2¹⁷ + 1 and 39105 < 2¹⁷.

Almost surely, 2^5125570561 is an apocalyptic number.

It is an amenable number.

5125570561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5125570561 is an equidigital number, since it uses as much as digits as its factorization.

5125570561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52500, while the sum is 37.

The square root of 5125570561 is about 71593.0901763571. The cubic root of 5125570561 is about 1724.1725988994.

The spelling of 5125570561 in words is "five billion, one hundred twenty-five million, five hundred seventy thousand, five hundred sixty-one".