541906 has 4 divisors (see below), whose sum is σ = 812862. Its totient is φ = 270952.

The previous prime is 541901. The next prime is 541927. The reversal of 541906 is 609145.

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

It can be written as a sum of positive squares in only one way, i.e., 540225 + 1681 = 735^2 + 41^2 .

It is a super-2 number, since 2×541906² = 587324225672, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (541901) by changing a digit.

541906 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135475 + ... + 135478.

2⁵⁴¹⁹⁰⁶ is an apocalyptic number.

541906 is a deficient number, since it is larger than the sum of its proper divisors (270956).

541906 is a wasteful number, since it uses less digits than its factorization.

541906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270955.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 541906 is about 736.1426492196. The cubic root of 541906 is about 81.5282248835.

The spelling of 541906 in words is "five hundred forty-one thousand, nine hundred six".