260632217 has 16 divisors (see below), whose sum is σ = 270663120. Its totient is φ = 250848000.

The previous prime is 260632187. The next prime is 260632223. The reversal of 260632217 is 712236062.

It can be written as a sum of positive squares in 8 ways, for example, as 9853321 + 250778896 = 3139^2 + 15836^2 .

It is a cyclic number.

It is not a de Polignac number, because 260632217 - 2¹⁴ = 260615833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260632217.

It is not an unprimeable number, because it can be changed into a prime (260632517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968759 + ... + 969027.

It is an arithmetic number, because the mean of its divisors is an integer number (16916445).

Almost surely, 2^260632217 is an apocalyptic number.

It is an amenable number.

260632217 is a deficient number, since it is larger than the sum of its proper divisors (10030903).

260632217 is a wasteful number, since it uses less digits than its factorization.

260632217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 260632217 is about 16144.1078105915. The cubic root of 260632217 is about 638.7673352092.

Adding to 260632217 its reverse (712236062), we get a palindrome (972868279).

The spelling of 260632217 in words is "two hundred sixty million, six hundred thirty-two thousand, two hundred seventeen".