3561705157 has 2 divisors, whose sum is σ = 3561705158. Its totient is φ = 3561705156.

The previous prime is 3561705031. The next prime is 3561705163. The reversal of 3561705157 is 7515071653.

3561705157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3259153921 + 302551236 = 57089^2 + 17394^2 .

It is a cyclic number.

It is not a de Polignac number, because 3561705157 - 2⁷ = 3561705029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3561705197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780852578 + 1780852579.

It is an arithmetic number, because the mean of its divisors is an integer number (1780852579).

Almost surely, 2^3561705157 is an apocalyptic number.

It is an amenable number.

3561705157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561705157 is an equidigital number, since it uses as much as digits as its factorization.

3561705157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 3561705157 is about 59680.0230981859. The cubic root of 3561705157 is about 1527.1650919609.

The spelling of 3561705157 in words is "three billion, five hundred sixty-one million, seven hundred five thousand, one hundred fifty-seven".