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1012513 is a prime number
BaseRepresentation
bin11110111001100100001
31220102220111
43313030201
5224400023
633411321
711414635
oct3671441
91812814
101012513
11631797
12409b41
13295b28
141c4dc5
1515000d
hexf7321

1012513 has 2 divisors, whose sum is σ = 1012514. Its totient is φ = 1012512.

The previous prime is 1012507. The next prime is 1012519. The reversal of 1012513 is 3152101.

It is a balanced prime because it is at equal distance from previous prime (1012507) and next prime (1012519).

It can be written as a sum of positive squares in only one way, i.e., 613089 + 399424 = 783^2 + 632^2 .

It is an emirp because it is prime and its reverse (3152101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012513 - 25 = 1012481 is a prime.

It is an Ulam number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1012493 and 1012502.

It is not a weakly prime, because it can be changed into another prime (1012519) 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, 506256 + 506257.

It is an arithmetic number, because the mean of its divisors is an integer number (506257).

21012513 is an apocalyptic number.

It is an amenable number.

1012513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012513 is an equidigital number, since it uses as much as digits as its factorization.

1012513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1012513 is about 1006.2370496061. The cubic root of 1012513 is about 100.4153722699.

Adding to 1012513 its reverse (3152101), we get a palindrome (4164614).

The spelling of 1012513 in words is "one million, twelve thousand, five hundred thirteen".