260566225 has 12 divisors (see below), whose sum is σ = 342108684. Its totient is φ = 196190720.

The previous prime is 260566223. The next prime is 260566231. The reversal of 260566225 is 522665062.

It can be written as a sum of positive squares in 6 ways, for example, as 26873856 + 233692369 = 5184^2 + 15287^2 .

It is not a de Polignac number, because 260566225 - 2¹ = 260566223 is a prime.

It is a super-2 number, since 2×260566225² = 135789515221501250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260566223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306124 + ... + 306973.

It is an arithmetic number, because the mean of its divisors is an integer number (28509057).

Almost surely, 2^260566225 is an apocalyptic number.

260566225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

260566225 is a deficient number, since it is larger than the sum of its proper divisors (81542459).

260566225 is a wasteful number, since it uses less digits than its factorization.

260566225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613124 (or 613119 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 260566225 is about 16142.0638395467. The cubic root of 260566225 is about 638.7134187585.

The spelling of 260566225 in words is "two hundred sixty million, five hundred sixty-six thousand, two hundred twenty-five".