541541 has 16 divisors (see below), whose sum is σ = 728448. Its totient is φ = 388800.

The previous prime is 541537. The next prime is 541543. The reversal of 541541 is 145145.

541541 = T₇₈ + T₇₉ + ... + T₁₅₄.

It is a cyclic number.

It is not a de Polignac number, because 541541 - 2² = 541537 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 (541543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (45528).

2⁵⁴¹⁵⁴¹ is an apocalyptic number.

It is an amenable number.

541541 is a deficient number, since it is larger than the sum of its proper divisors (186907).

541541 is a wasteful number, since it uses less digits than its factorization.

541541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its digits is 400, while the sum is 20.

The square root of 541541 is about 735.8946935534. The cubic root of 541541 is about 81.5099163665.

Adding to 541541 its reverse (145145), we get a palindrome (686686).

The spelling of 541541 in words is "five hundred forty-one thousand, five hundred forty-one".