620081 has 8 divisors (see below), whose sum is σ = 773184. Its totient is φ = 483120.
The previous prime is 620051. The next prime is 620099. The reversal of 620081 is 180026.
620081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 620081 - 210 = 619057 is a prime.
It is a super-2 number, since 2×6200812 = 769000893122, which contains 22 as substring.
It is a Duffinian number.
It is a nialpdrome in base 16.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620081.
It is not an unprimeable number, because it can be changed into a prime (620051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3950 + ... + 4103.
It is an arithmetic number, because the mean of its divisors is an integer number (96648).
2620081 is an apocalyptic number.
It is an amenable number.
620081 is a deficient number, since it is larger than the sum of its proper divisors (153103).
620081 is a wasteful number, since it uses less digits than its factorization.
620081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8071.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 620081 is about 787.4522207728. The cubic root of 620081 is about 85.2739030504.
The spelling of 620081 in words is "six hundred twenty thousand, eighty-one".
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