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275897 is a prime number
BaseRepresentation
bin1000011010110111001
3112000110102
41003112321
532312042
65525145
72226236
oct1032671
9460412
10275897
11179316
121137b5
139876b
147278d
1556b32
hex435b9

275897 has 2 divisors, whose sum is σ = 275898. Its totient is φ = 275896.

The previous prime is 275881. The next prime is 275911. The reversal of 275897 is 798572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249001 + 26896 = 499^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 275897 - 24 = 275881 is a prime.

It is a super-2 number, since 2×2758972 = 152238309218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 275897.

It is not a weakly prime, because it can be changed into another prime (275827) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137948 + 137949.

It is an arithmetic number, because the mean of its divisors is an integer number (137949).

2275897 is an apocalyptic number.

It is an amenable number.

275897 is a deficient number, since it is larger than the sum of its proper divisors (1).

275897 is an equidigital number, since it uses as much as digits as its factorization.

275897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The square root of 275897 is about 525.2589837404. The cubic root of 275897 is about 65.1002004866.

The spelling of 275897 in words is "two hundred seventy-five thousand, eight hundred ninety-seven".