541642 has 4 divisors (see below), whose sum is σ = 812466. Its totient is φ = 270820.

The previous prime is 541631. The next prime is 541657. The reversal of 541642 is 246145.

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., 531441 + 10201 = 729^2 + 101^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135409 + ... + 135412.

2⁵⁴¹⁶⁴² is an apocalyptic number.

541642 is a deficient number, since it is larger than the sum of its proper divisors (270824).

541642 is a wasteful number, since it uses less digits than its factorization.

541642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270823.

The product of its digits is 960, while the sum is 22.

The square root of 541642 is about 735.9633143031. The cubic root of 541642 is about 81.5149833819.

Adding to 541642 its reverse (246145), we get a palindrome (787787).

The spelling of 541642 in words is "five hundred forty-one thousand, six hundred forty-two".