3570551561 has 2 divisors, whose sum is σ = 3570551562. Its totient is φ = 3570551560.

The previous prime is 3570551489. The next prime is 3570551563. The reversal of 3570551561 is 1651550753.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1827990025 + 1742561536 = 42755^2 + 41744^2 .

It is a cyclic number.

It is not a de Polignac number, because 3570551561 - 2¹⁸ = 3570289417 is a prime.

Together with 3570551563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3570551563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785275780 + 1785275781.

It is an arithmetic number, because the mean of its divisors is an integer number (1785275781).

Almost surely, 2^3570551561 is an apocalyptic number.

It is an amenable number.

3570551561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3570551561 is an equidigital number, since it uses as much as digits as its factorization.

3570551561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78750, while the sum is 38.

The square root of 3570551561 is about 59754.0924205196. The cubic root of 3570551561 is about 1528.4284147310.

The spelling of 3570551561 in words is "three billion, five hundred seventy million, five hundred fifty-one thousand, five hundred sixty-one".