3573199561 has 2 divisors, whose sum is σ = 3573199562. Its totient is φ = 3573199560.

The previous prime is 3573199543. The next prime is 3573199571. The reversal of 3573199561 is 1659913753.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3419910400 + 153289161 = 58480^2 + 12381^2 .

It is a cyclic number.

It is not a de Polignac number, because 3573199561 - 2⁵ = 3573199529 is a prime.

It is not a weakly prime, because it can be changed into another prime (3573199571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1786599780 + 1786599781.

It is an arithmetic number, because the mean of its divisors is an integer number (1786599781).

Almost surely, 2^3573199561 is an apocalyptic number.

It is an amenable number.

3573199561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3573199561 is an equidigital number, since it uses as much as digits as its factorization.

3573199561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 765450, while the sum is 49.

The square root of 3573199561 is about 59776.2457921205. The cubic root of 3573199561 is about 1528.8061601360.

The spelling of 3573199561 in words is "three billion, five hundred seventy-three million, one hundred ninety-nine thousand, five hundred sixty-one".