260636241 has 4 divisors (see below), whose sum is σ = 347514992. Its totient is φ = 173757492.

The previous prime is 260636239. The next prime is 260636249. The reversal of 260636241 is 142636062.

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.

It is not a de Polignac number, because 260636241 - 2¹ = 260636239 is a prime.

It is a super-2 number, since 2×260636241² = 135862500245220162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260636199 and 260636208.

It is not an unprimeable number, because it can be changed into a prime (260636249) 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, 43439371 + ... + 43439376.

It is an arithmetic number, because the mean of its divisors is an integer number (86878748).

Almost surely, 2^260636241 is an apocalyptic number.

It is an amenable number.

260636241 is a deficient number, since it is larger than the sum of its proper divisors (86878751).

260636241 is an equidigital number, since it uses as much as digits as its factorization.

260636241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86878750.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 260636241 is about 16144.2324376230. The cubic root of 260636241 is about 638.7706225829.

The spelling of 260636241 in words is "two hundred sixty million, six hundred thirty-six thousand, two hundred forty-one".