541971 has 10 divisors (see below), whose sum is σ = 809732. Its totient is φ = 361260.

The previous prime is 541967. The next prime is 541987. The reversal of 541971 is 179145.

It is not a de Polignac number, because 541971 - 2² = 541967 is a prime.

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

It is a Duffinian number.

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

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 in 9 ways as a sum of consecutive naturals, for example, 3265 + ... + 3426.

2⁵⁴¹⁹⁷¹ is an apocalyptic number.

541971 is a deficient number, since it is larger than the sum of its proper divisors (267761).

541971 is an equidigital number, since it uses as much as digits as its factorization.

541971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703 (or 6694 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 541971 is about 736.1867969476. The cubic root of 541971 is about 81.5314844419.

It can be divided in two parts, 54 and 1971, that added together give a square (2025 = 45²).

The spelling of 541971 in words is "five hundred forty-one thousand, nine hundred seventy-one".