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425791 is a prime number
BaseRepresentation
bin1100111111100111111
3210122002001
41213330333
5102111131
613043131
73422242
oct1477477
9718061
10425791
112709a3
121864a7
1311ba62
14b1259
1586261
hex67f3f

425791 has 2 divisors, whose sum is σ = 425792. Its totient is φ = 425790.

The previous prime is 425783. The next prime is 425801. The reversal of 425791 is 197524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425791 - 23 = 425783 is a prime.

It is a Chen prime.

425791 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212895 + 212896.

It is an arithmetic number, because the mean of its divisors is an integer number (212896).

2425791 is an apocalyptic number.

425791 is a deficient number, since it is larger than the sum of its proper divisors (1).

425791 is an equidigital number, since it uses as much as digits as its factorization.

425791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 425791 is about 652.5266278092. The cubic root of 425791 is about 75.2313449192.

The spelling of 425791 in words is "four hundred twenty-five thousand, seven hundred ninety-one".