541785197 has 2 divisors, whose sum is σ = 541785198. Its totient is φ = 541785196.

The previous prime is 541785187. The next prime is 541785203. The reversal of 541785197 is 791587145.

541785197 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., 483736036 + 58049161 = 21994^2 + 7619^2 .

It is a cyclic number.

It is not a de Polignac number, because 541785197 - 2¹² = 541781101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541785107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270892598 + 270892599.

It is an arithmetic number, because the mean of its divisors is an integer number (270892599).

Almost surely, 2^541785197 is an apocalyptic number.

It is an amenable number.

541785197 is a deficient number, since it is larger than the sum of its proper divisors (1).

541785197 is an equidigital number, since it uses as much as digits as its factorization.

541785197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 47.

The square root of 541785197 is about 23276.2797070322. The cubic root of 541785197 is about 815.2216627677.

The spelling of 541785197 in words is "five hundred forty-one million, seven hundred eighty-five thousand, one hundred ninety-seven".