260986153 has 2 divisors, whose sum is σ = 260986154. Its totient is φ = 260986152.

The previous prime is 260986127. The next prime is 260986157. The reversal of 260986153 is 351689062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172475689 + 88510464 = 13133^2 + 9408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260986153 is a prime.

It is a super-3 number, since 3×260986153³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (260986157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130493076 + 130493077.

It is an arithmetic number, because the mean of its divisors is an integer number (130493077).

Almost surely, 2^260986153 is an apocalyptic number.

It is an amenable number.

260986153 is a deficient number, since it is larger than the sum of its proper divisors (1).

260986153 is an equidigital number, since it uses as much as digits as its factorization.

260986153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 260986153 is about 16155.0658618280. The cubic root of 260986153 is about 639.0563510184.

The spelling of 260986153 in words is "two hundred sixty million, nine hundred eighty-six thousand, one hundred fifty-three".