Search a number
-
+
275269 is a prime number
BaseRepresentation
bin1000011001101000101
3111222121011
41003031011
532302034
65522221
72224351
oct1031505
9458534
10275269
111788a5
12113371
13983a7
1472461
1556864
hex43345

275269 has 2 divisors, whose sum is σ = 275270. Its totient is φ = 275268.

The previous prime is 275263. The next prime is 275299. The reversal of 275269 is 962572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263169 + 12100 = 513^2 + 110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-275269 is a prime.

It is a super-2 number, since 2×2752692 = 151546044722, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 275269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137634 + 137635.

It is an arithmetic number, because the mean of its divisors is an integer number (137635).

2275269 is an apocalyptic number.

It is an amenable number.

275269 is a deficient number, since it is larger than the sum of its proper divisors (1).

275269 is an equidigital number, since it uses as much as digits as its factorization.

275269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 275269 is about 524.6608428309. The cubic root of 275269 is about 65.0507690144.

The spelling of 275269 in words is "two hundred seventy-five thousand, two hundred sixty-nine".