541517155 has 4 divisors (see below), whose sum is σ = 649820592. Its totient is φ = 433213720.

The previous prime is 541517111. The next prime is 541517159. The reversal of 541517155 is 551715145.

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

It is not a de Polignac number, because 541517155 - 2⁷ = 541517027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 541517155.

It is not an unprimeable number, because it can be changed into a prime (541517159) 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 in 3 ways as a sum of consecutive naturals, for example, 54151711 + ... + 54151720.

It is an arithmetic number, because the mean of its divisors is an integer number (162455148).

Almost surely, 2^541517155 is an apocalyptic number.

541517155 is a deficient number, since it is larger than the sum of its proper divisors (108303437).

541517155 is a wasteful number, since it uses less digits than its factorization.

541517155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108303436.

The product of its digits is 17500, while the sum is 34.

The square root of 541517155 is about 23270.5211587536. The cubic root of 541517155 is about 815.0872000742.

The spelling of 541517155 in words is "five hundred forty-one million, five hundred seventeen thousand, one hundred fifty-five".