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1007381 is a prime number
BaseRepresentation
bin11110101111100010101
31220011212102
43311330111
5224214011
633331445
711363654
oct3657425
91804772
101007381
11628951
12406b85
132936ab
141c319b
1514d73b
hexf5f15

1007381 has 2 divisors, whose sum is σ = 1007382. Its totient is φ = 1007380.

The previous prime is 1007359. The next prime is 1007387. The reversal of 1007381 is 1837001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 819025 + 188356 = 905^2 + 434^2 .

It is a cyclic number.

It is not a de Polignac number, because 1007381 - 26 = 1007317 is a prime.

It is a super-2 number, since 2×10073812 = 2029632958322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1007387) by changing a digit.

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 as a sum of consecutive naturals, namely, 503690 + 503691.

It is an arithmetic number, because the mean of its divisors is an integer number (503691).

21007381 is an apocalyptic number.

It is an amenable number.

1007381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1007381 is an equidigital number, since it uses as much as digits as its factorization.

1007381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1007381 is about 1003.6837151215. The cubic root of 1007381 is about 100.2454304793.

The spelling of 1007381 in words is "one million, seven thousand, three hundred eighty-one".