255413 has 2 divisors, whose sum is σ = 255414. Its totient is φ = 255412.
The previous prime is 255383. The next prime is 255419. The reversal of 255413 is 314552.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 223729 + 31684 = 473^2 + 178^2 .
It is a cyclic number.
It is not a de Polignac number, because 255413 - 26 = 255349 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255413.
It is not a weakly prime, because it can be changed into another prime (255419) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127706 + 127707.
It is an arithmetic number, because the mean of its divisors is an integer number (127707).
2255413 is an apocalyptic number.
It is an amenable number.
255413 is a deficient number, since it is larger than the sum of its proper divisors (1).
255413 is an equidigital number, since it uses as much as digits as its factorization.
255413 is an evil number, because the sum of its binary digits is even.
The product of its digits is 600, while the sum is 20.
The square root of 255413 is about 505.3840124104. The cubic root of 255413 is about 63.4474734576.
Adding to 255413 its reverse (314552), we get a palindrome (569965).
The spelling of 255413 in words is "two hundred fifty-five thousand, four hundred thirteen".
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