241591 has 4 divisors (see below), whose sum is σ = 276112. Its totient is φ = 207072.
The previous prime is 241589. The next prime is 241597. The reversal of 241591 is 195142.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 195142 = 2 ⋅97571.
It is a cyclic number.
It is not a de Polignac number, because 241591 - 21 = 241589 is a prime.
It is a super-2 number, since 2×2415912 = 116732422562, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (241597) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17250 + ... + 17263.
It is an arithmetic number, because the mean of its divisors is an integer number (69028).
2241591 is an apocalyptic number.
241591 is a deficient number, since it is larger than the sum of its proper divisors (34521).
241591 is an equidigital number, since it uses as much as digits as its factorization.
241591 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34520.
The product of its digits is 360, while the sum is 22.
The square root of 241591 is about 491.5190738924. The cubic root of 241591 is about 62.2816702017.
The spelling of 241591 in words is "two hundred forty-one thousand, five hundred ninety-one".
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