541693 has 2 divisors, whose sum is σ = 541694. Its totient is φ = 541692.

The previous prime is 541669. The next prime is 541699. The reversal of 541693 is 396145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363609 + 178084 = 603^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 541693 - 2⁵ = 541661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270846 + 270847.

It is an arithmetic number, because the mean of its divisors is an integer number (270847).

2⁵⁴¹⁶⁹³ is an apocalyptic number.

It is an amenable number.

541693 is a deficient number, since it is larger than the sum of its proper divisors (1).

541693 is an equidigital number, since it uses as much as digits as its factorization.

541693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 541693 is about 735.9979619537. The cubic root of 541693 is about 81.5175417345.

The spelling of 541693 in words is "five hundred forty-one thousand, six hundred ninety-three".