541209 has 8 divisors (see below), whose sum is σ = 730080. Its totient is φ = 356576.

The previous prime is 541201. The next prime is 541217. The reversal of 541209 is 902145.

It is an interprime number because it is at equal distance from previous prime (541201) and next prime (541217).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 541209 - 2³ = 541201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (541201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (91260).

2⁵⁴¹²⁰⁹ is an apocalyptic number.

It is an amenable number.

541209 is a deficient number, since it is larger than the sum of its proper divisors (188871).

541209 is a wasteful number, since it uses less digits than its factorization.

541209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 541209 is about 735.6690832161. The cubic root of 541209 is about 81.4932559941.

It can be divided in two parts, 5 and 41209, that added together give a palindrome (41214).

The spelling of 541209 in words is "five hundred forty-one thousand, two hundred nine".