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260081 is a prime number
BaseRepresentation
bin111111011111110001
3111012202122
4333133301
531310311
65324025
72132153
oct773761
9435678
10260081
11168448
12106615
13914c3
146aad3
15520db
hex3f7f1

260081 has 2 divisors, whose sum is σ = 260082. Its totient is φ = 260080.

The previous prime is 260047. The next prime is 260089. The reversal of 260081 is 180062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173056 + 87025 = 416^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 260081 - 26 = 260017 is a prime.

It is a super-2 number, since 2×2600812 = 135284253122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130040 + 130041.

It is an arithmetic number, because the mean of its divisors is an integer number (130041).

2260081 is an apocalyptic number.

It is an amenable number.

260081 is a deficient number, since it is larger than the sum of its proper divisors (1).

260081 is an equidigital number, since it uses as much as digits as its factorization.

260081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 260081 is about 509.9813722088. The cubic root of 260081 is about 63.8316702857.

The spelling of 260081 in words is "two hundred sixty thousand, eighty-one".