Adding to 353520 its reverse (25353), we get a palindrome (378873).
It is a tau number, because it is divible by the number of its divisors (60).
It is a congruent number.
353520 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2353520 is an apocalyptic number.
353520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 353520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
353520 is a wasteful number, since it uses less digits than its factorization.
353520 is an odious number, because the sum of its binary digits is odd.
The square root of 353520 is about 594.5754788082. The cubic root of 353520 is about 70.7084520090.
The spelling of 353520 in words is "three hundred fifty-three thousand, five hundred twenty".