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1313357 is a prime number
BaseRepresentation
bin101000000101001001101
32110201120212
411000221031
5314011412
644052205
714110013
oct5005115
92421525
101313357
11817821
12534065
1336ca46
142628b3
151ae222
hex140a4d

1313357 has 2 divisors, whose sum is σ = 1313358. Its totient is φ = 1313356.

The previous prime is 1313339. The next prime is 1313359. The reversal of 1313357 is 7533131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 72361 = 1114^2 + 269^2 .

It is an emirp because it is prime and its reverse (7533131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313357 - 26 = 1313293 is a prime.

Together with 1313359, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656678 + 656679.

It is an arithmetic number, because the mean of its divisors is an integer number (656679).

21313357 is an apocalyptic number.

It is an amenable number.

1313357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313357 is an equidigital number, since it uses as much as digits as its factorization.

1313357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 945, while the sum is 23.

The square root of 1313357 is about 1146.0178881675. The cubic root of 1313357 is about 109.5118034578.

Adding to 1313357 its reverse (7533131), we get a palindrome (8846488).

The spelling of 1313357 in words is "one million, three hundred thirteen thousand, three hundred fifty-seven".