10903 has 2 divisors, whose sum is σ = 10904. Its totient is φ = 10902.
The previous prime is 10891. The next prime is 10909. The reversal of 10903 is 30901.
It is a happy number.
10903 is nontrivially palindromic in base 7.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 10903 - 29 = 10391 is a prime.
It is an alternating number because its digits alternate between odd and even.
10903 is a lucky number.
It is a plaindrome in base 15.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10909) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5451 + 5452.
It is an arithmetic number, because the mean of its divisors is an integer number (5452).
210903 is an apocalyptic number.
10903 is a deficient number, since it is larger than the sum of its proper divisors (1).
10903 is an equidigital number, since it uses as much as digits as its factorization.
10903 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27, while the sum is 13.
The square root of 10903 is about 104.4174314949. The cubic root of 10903 is about 22.1742362701.
The spelling of 10903 in words is "ten thousand, nine hundred three".
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