541530505 has 4 divisors (see below), whose sum is σ = 649836612. Its totient is φ = 433224400.

The previous prime is 541530491. The next prime is 541530527. The reversal of 541530505 is 505035145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 349652601 + 191877904 = 18699^2 + 13852^2 .

It is not a de Polignac number, because 541530505 - 2¹³ = 541522313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 54153046 + ... + 54153055.

It is an arithmetic number, because the mean of its divisors is an integer number (162459153).

Almost surely, 2^541530505 is an apocalyptic number.

It is an amenable number.

541530505 is a deficient number, since it is larger than the sum of its proper divisors (108306107).

541530505 is a wasteful number, since it uses less digits than its factorization.

541530505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108306106.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 541530505 is about 23270.8080005830. The cubic root of 541530505 is about 815.0938981229.

The spelling of 541530505 in words is "five hundred forty-one million, five hundred thirty thousand, five hundred five".