541538985 has 32 divisors (see below), whose sum is σ = 936528768. Its totient is φ = 265628160.

The previous prime is 541538981. The next prime is 541539017. The reversal of 541538985 is 589835145.

It is a happy number.

It is not a de Polignac number, because 541538985 - 2² = 541538981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (541538981) 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 31 ways as a sum of consecutive naturals, for example, 49854 + ... + 59736.

It is an arithmetic number, because the mean of its divisors is an integer number (29266524).

Almost surely, 2^541538985 is an apocalyptic number.

It is an amenable number.

541538985 is a deficient number, since it is larger than the sum of its proper divisors (394989783).

541538985 is a wasteful number, since it uses less digits than its factorization.

541538985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10185.

The product of its digits is 864000, while the sum is 48.

The square root of 541538985 is about 23270.9902023958. The cubic root of 541538985 is about 815.0981527063.

The spelling of 541538985 in words is "five hundred forty-one million, five hundred thirty-eight thousand, nine hundred eighty-five".