620329 has 2 divisors, whose sum is σ = 620330. Its totient is φ = 620328.
The previous prime is 620317. The next prime is 620351. The reversal of 620329 is 923026.
It is an a-pointer prime, because the next prime (620351) can be obtained adding 620329 to its sum of digits (22).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 416025 + 204304 = 645^2 + 452^2 .
It is a cyclic number.
It is not a de Polignac number, because 620329 - 25 = 620297 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (620359) 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, 310164 + 310165.
It is an arithmetic number, because the mean of its divisors is an integer number (310165).
2620329 is an apocalyptic number.
It is an amenable number.
620329 is a deficient number, since it is larger than the sum of its proper divisors (1).
620329 is an equidigital number, since it uses as much as digits as its factorization.
620329 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 620329 is about 787.6096749025. The cubic root of 620329 is about 85.2852699036.
It can be divided in two parts, 620 and 329, that added together give a palindrome (949).
The spelling of 620329 in words is "six hundred twenty thousand, three hundred twenty-nine".
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