541820917 has 4 divisors (see below), whose sum is σ = 591077376. Its totient is φ = 492564460.

The previous prime is 541820897. The next prime is 541820921. The reversal of 541820917 is 719028145.

541820917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 541820917 - 2¹¹ = 541818869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541820927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24628213 + ... + 24628234.

It is an arithmetic number, because the mean of its divisors is an integer number (147769344).

Almost surely, 2^541820917 is an apocalyptic number.

It is an amenable number.

541820917 is a deficient number, since it is larger than the sum of its proper divisors (49256459).

541820917 is a wasteful number, since it uses less digits than its factorization.

541820917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49256458.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 541820917 is about 23277.0469991363. The cubic root of 541820917 is about 815.2395782798.

It can be divided in two parts, 5418 and 20917, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 541820917 in words is "five hundred forty-one million, eight hundred twenty thousand, nine hundred seventeen".