541988685 has 64 divisors (see below), whose sum is σ = 1139212800. Its totient is φ = 239210496.

The previous prime is 541988677. The next prime is 541988687. The reversal of 541988685 is 586889145.

It is a happy number.

541988685 is a `hidden beast` number, since 541 + 98 + 8 + 6 + 8 + 5 = 666.

It is not a de Polignac number, because 541988685 - 2³ = 541988677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541988687) 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 63 ways as a sum of consecutive naturals, for example, 17517 + ... + 37293.

It is an arithmetic number, because the mean of its divisors is an integer number (17800200).

Almost surely, 2^541988685 is an apocalyptic number.

It is an amenable number.

541988685 is an abundant number, since it is smaller than the sum of its proper divisors (597224115).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

541988685 is a wasteful number, since it uses less digits than its factorization.

541988685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19827 (or 19821 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 541988685 is about 23280.6504419443. The cubic root of 541988685 is about 815.3237124745.

The spelling of 541988685 in words is "five hundred forty-one million, nine hundred eighty-eight thousand, six hundred eighty-five".