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1000313 is a prime number
BaseRepresentation
bin11110100001101111001
31212211011122
43310031321
5224002223
633235025
711334236
oct3641571
91784148
101000313
11623606
12402a75
13290402
141c078d
1514b5c8
hexf4379

1000313 has 2 divisors, whose sum is σ = 1000314. Its totient is φ = 1000312.

The previous prime is 1000303. The next prime is 1000333. The reversal of 1000313 is 3130001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 861184 + 139129 = 928^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000313 - 26 = 1000249 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000313.

It is not a weakly prime, because it can be changed into another prime (1000303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500156 + 500157.

It is an arithmetic number, because the mean of its divisors is an integer number (500157).

21000313 is an apocalyptic number.

It is an amenable number.

1000313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000313 is an equidigital number, since it uses as much as digits as its factorization.

1000313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 1000313 is about 1000.1564877558. The cubic root of 1000313 is about 100.0104322450.

Adding to 1000313 its reverse (3130001), we get a palindrome (4130314).

The spelling of 1000313 in words is "one million, three hundred thirteen", and thus it is an aban number.