3561122441 has 2 divisors, whose sum is σ = 3561122442. Its totient is φ = 3561122440.

The previous prime is 3561122429. The next prime is 3561122449. The reversal of 3561122441 is 1442211653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2235871225 + 1325251216 = 47285^2 + 36404^2 .

It is an emirp because it is prime and its reverse (1442211653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3561122441 - 2²⁶ = 3494013577 is a prime.

It is not a weakly prime, because it can be changed into another prime (3561122449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780561220 + 1780561221.

It is an arithmetic number, because the mean of its divisors is an integer number (1780561221).

Almost surely, 2^3561122441 is an apocalyptic number.

It is an amenable number.

3561122441 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561122441 is an equidigital number, since it uses as much as digits as its factorization.

3561122441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 3561122441 is about 59675.1408963565. The cubic root of 3561122441 is about 1527.0818030089.

The spelling of 3561122441 in words is "three billion, five hundred sixty-one million, one hundred twenty-two thousand, four hundred forty-one".