260217361 has 4 divisors (see below), whose sum is σ = 260276800. Its totient is φ = 260157924.

The previous prime is 260217329. The next prime is 260217403. The reversal of 260217361 is 163712062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163712062 = 2 ⋅81856031.

It is a cyclic number.

It is not a de Polignac number, because 260217361 - 2⁵ = 260217329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260217311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22581 + ... + 32098.

It is an arithmetic number, because the mean of its divisors is an integer number (65069200).

Almost surely, 2^260217361 is an apocalyptic number.

It is an amenable number.

260217361 is a deficient number, since it is larger than the sum of its proper divisors (59439).

260217361 is an equidigital number, since it uses as much as digits as its factorization.

260217361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59438.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 260217361 is about 16131.2541669890. The cubic root of 260217361 is about 638.4282402832.

The spelling of 260217361 in words is "two hundred sixty million, two hundred seventeen thousand, three hundred sixty-one".