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260825801 is a prime number
BaseRepresentation
bin11111000101111…
…10001011001001
3200011210022201212
433202332023021
51013232411201
641514222505
76314661035
oct1742761311
9604708655
10260825801
11124258315
1273424a35
13420630c2
14268d71c5
1517d71abb
hexf8be2c9

260825801 has 2 divisors, whose sum is σ = 260825802. Its totient is φ = 260825800.

The previous prime is 260825791. The next prime is 260825837. The reversal of 260825801 is 108528062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255232576 + 5593225 = 15976^2 + 2365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-260825801 is a prime.

It is not a weakly prime, because it can be changed into another prime (260825881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130412900 + 130412901.

It is an arithmetic number, because the mean of its divisors is an integer number (130412901).

Almost surely, 2260825801 is an apocalyptic number.

It is an amenable number.

260825801 is a deficient number, since it is larger than the sum of its proper divisors (1).

260825801 is an equidigital number, since it uses as much as digits as its factorization.

260825801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 260825801 is about 16150.1021978191. The cubic root of 260825801 is about 638.9254437436.

The spelling of 260825801 in words is "two hundred sixty million, eight hundred twenty-five thousand, eight hundred one".