541985207 has 2 divisors, whose sum is σ = 541985208. Its totient is φ = 541985206.

The previous prime is 541985173. The next prime is 541985209. The reversal of 541985207 is 702589145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 541985207 - 2²⁸ = 273549751 is a prime.

Together with 541985209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541985209) 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, 270992603 + 270992604.

It is an arithmetic number, because the mean of its divisors is an integer number (270992604).

Almost surely, 2^541985207 is an apocalyptic number.

541985207 is a deficient number, since it is larger than the sum of its proper divisors (1).

541985207 is an equidigital number, since it uses as much as digits as its factorization.

541985207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 541985207 is about 23280.5757445988. The cubic root of 541985207 is about 815.3219684639.

The spelling of 541985207 in words is "five hundred forty-one million, nine hundred eighty-five thousand, two hundred seven".