523616 has 12 divisors (see below), whose sum is σ = 1030932. Its totient is φ = 261792.
The previous prime is 523603. The next prime is 523631. The reversal of 523616 is 616325.
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 523591 and 523600.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8150 + ... + 8213.
It is an arithmetic number, because the mean of its divisors is an integer number (85911).
2523616 is an apocalyptic number.
It is an amenable number.
523616 is a deficient number, since it is larger than the sum of its proper divisors (507316).
523616 is a wasteful number, since it uses less digits than its factorization.
523616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16373 (or 16365 counting only the distinct ones).
The product of its digits is 1080, while the sum is 23.
The square root of 523616 is about 723.6131563204. The cubic root of 523616 is about 80.6004814975.
The spelling of 523616 in words is "five hundred twenty-three thousand, six hundred sixteen".
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