542841 has 16 divisors (see below), whose sum is σ = 806400. Its totient is φ = 322560.
The previous prime is 542837. The next prime is 542873. The reversal of 542841 is 148245.
It is not a de Polignac number, because 542841 - 22 = 542837 is a prime.
542841 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (542821) 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, 985 + ... + 1433.
It is an arithmetic number, because the mean of its divisors is an integer number (50400).
2542841 is an apocalyptic number.
It is an amenable number.
542841 is a deficient number, since it is larger than the sum of its proper divisors (263559).
542841 is a wasteful number, since it uses less digits than its factorization.
542841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 496.
The product of its digits is 1280, while the sum is 24.
The square root of 542841 is about 736.7774426514. Note that the first 3 decimals coincide. The cubic root of 542841 is about 81.5750873103.
It can be divided in two parts, 54284 and 1, that added together give a triangular number (54285 = T329).
The spelling of 542841 in words is "five hundred forty-two thousand, eight hundred forty-one".
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