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2103317 is a prime number
BaseRepresentation
bin1000000001100000010101
310221212012122
420001200111
51014301232
6113025325
723610056
oct10014025
93855178
102103317
111207287
12855245
13588488
143ca72d
152b8312
hex201815

2103317 has 2 divisors, whose sum is σ = 2103318. Its totient is φ = 2103316.

The previous prime is 2103307. The next prime is 2103377. The reversal of 2103317 is 7133012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1779556 + 323761 = 1334^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103317 - 24 = 2103301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2103295 and 2103304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051658 + 1051659.

It is an arithmetic number, because the mean of its divisors is an integer number (1051659).

22103317 is an apocalyptic number.

It is an amenable number.

2103317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103317 is an equidigital number, since it uses as much as digits as its factorization.

2103317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 2103317 is about 1450.2816967748. The cubic root of 2103317 is about 128.1253045402.

Adding to 2103317 its reverse (7133012), we get a palindrome (9236329).

The spelling of 2103317 in words is "two million, one hundred three thousand, three hundred seventeen".