260552191 has 4 divisors (see below), whose sum is σ = 263850400. Its totient is φ = 257253984.

The previous prime is 260552143. The next prime is 260552197. The reversal of 260552191 is 191255062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260552191 - 2¹⁵ = 260519423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260552197) 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, 1648986 + ... + 1649143.

It is an arithmetic number, because the mean of its divisors is an integer number (65962600).

Almost surely, 2^260552191 is an apocalyptic number.

260552191 is a deficient number, since it is larger than the sum of its proper divisors (3298209).

260552191 is an equidigital number, since it uses as much as digits as its factorization.

260552191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298208.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 260552191 is about 16141.6291309149. The cubic root of 260552191 is about 638.7019515968.

The spelling of 260552191 in words is "two hundred sixty million, five hundred fifty-two thousand, one hundred ninety-one".