620275 has 12 divisors (see below), whose sum is σ = 788392. Its totient is φ = 483840.
The previous prime is 620261. The next prime is 620297. The reversal of 620275 is 572026.
It is not a de Polignac number, because 620275 - 29 = 619763 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787 + ... + 1363.
2620275 is an apocalyptic number.
620275 is a deficient number, since it is larger than the sum of its proper divisors (168117).
620275 is a wasteful number, since it uses less digits than its factorization.
620275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 630 (or 625 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 620275 is about 787.5753932164. The cubic root of 620275 is about 85.2827951210.
The spelling of 620275 in words is "six hundred twenty thousand, two hundred seventy-five".
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