113558 has 4 divisors (see below), whose sum is σ = 170340. Its totient is φ = 56778.
The previous prime is 113557. The next prime is 113567. The reversal of 113558 is 855311.
113558 is nontrivially palindromic in base 13.
It is a semiprime because it is the product of two primes.
It is a plaindrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (113557) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28388 + ... + 28391.
It is an arithmetic number, because the mean of its divisors is an integer number (42585).
2113558 is an apocalyptic number.
113558 is a deficient number, since it is larger than the sum of its proper divisors (56782).
113558 is an equidigital number, since it uses as much as digits as its factorization.
113558 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56781.
The product of its digits is 600, while the sum is 23.
The square root of 113558 is about 336.9836791300. The cubic root of 113558 is about 48.4253288184.
Adding to 113558 its reverse (855311), we get a palindrome (968869).
The spelling of 113558 in words is "one hundred thirteen thousand, five hundred fifty-eight".
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