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BaseRepresentation
bin11001000110001101
312020000022
4121012031
511242142
62111525
7605462
oct310615
9166008
10102797
1170262
124b5a5
1337a36
1429669
15206d2
hex1918d

102797 has 2 divisors, whose sum is σ = 102798. Its totient is φ = 102796.

The previous prime is 102793. The next prime is 102811. The reversal of 102797 is 797201.

Adding to 102797 its reverse (797201), we get a palindrome (899998).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70756 + 32041 = 266^2 + 179^2 .

It is an emirp because it is prime and its reverse (797201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102797 - 22 = 102793 is a prime.

It is a Chen prime.

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 102797.

It is not a weakly prime, because it can be changed into another prime (102793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51398 + 51399.

It is an arithmetic number, because the mean of its divisors is an integer number (51399).

2102797 is an apocalyptic number.

It is an amenable number.

102797 is a deficient number, since it is larger than the sum of its proper divisors (1).

102797 is an equidigital number, since it uses as much as digits as its factorization.

102797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 102797 is about 320.6197124320. The cubic root of 102797 is about 46.8446660040.

The spelling of 102797 in words is "one hundred two thousand, seven hundred ninety-seven".