260208133 has 2 divisors, whose sum is σ = 260208134. Its totient is φ = 260208132.

The previous prime is 260208083. The next prime is 260208149. The reversal of 260208133 is 331802062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175880644 + 84327489 = 13262^2 + 9183^2 .

It is a cyclic number.

It is not a de Polignac number, because 260208133 - 2¹³ = 260199941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260208098 and 260208107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260208163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130104066 + 130104067.

It is an arithmetic number, because the mean of its divisors is an integer number (130104067).

Almost surely, 2^260208133 is an apocalyptic number.

It is an amenable number.

260208133 is a deficient number, since it is larger than the sum of its proper divisors (1).

260208133 is an equidigital number, since it uses as much as digits as its factorization.

260208133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 260208133 is about 16130.9681358560. The cubic root of 260208133 is about 638.4206934059.

The spelling of 260208133 in words is "two hundred sixty million, two hundred eight thousand, one hundred thirty-three".