541539 has 16 divisors (see below), whose sum is σ = 829440. Its totient is φ = 348840.

The previous prime is 541537. The next prime is 541543. The reversal of 541539 is 935145.

It is not a de Polignac number, because 541539 - 2¹ = 541537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

541539 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (541531) 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, 514 + ... + 1160.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2⁵⁴¹⁵³⁹ is an apocalyptic number.

541539 is a deficient number, since it is larger than the sum of its proper divisors (287901).

541539 is a wasteful number, since it uses less digits than its factorization.

541539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 681 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 541539 is about 735.8933346620. The cubic root of 541539 is about 81.5098160232.

The spelling of 541539 in words is "five hundred forty-one thousand, five hundred thirty-nine".