241065391 has 4 divisors (see below), whose sum is σ = 275503312. Its totient is φ = 206627472.

The previous prime is 241065379. The next prime is 241065413. The reversal of 241065391 is 193560142.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 193560142 = 2 ⋅96780071.

It is a cyclic number.

It is not a de Polignac number, because 241065391 - 2²¹ = 238968239 is a prime.

It is a super-2 number, since 2×241065391² = 116225045475965762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241065361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17218950 + ... + 17218963.

It is an arithmetic number, because the mean of its divisors is an integer number (68875828).

Almost surely, 2^241065391 is an apocalyptic number.

241065391 is a deficient number, since it is larger than the sum of its proper divisors (34437921).

241065391 is an equidigital number, since it uses as much as digits as its factorization.

241065391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34437920.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 241065391 is about 15526.2806557140. The cubic root of 241065391 is about 622.3647042837.

The spelling of 241065391 in words is "two hundred forty-one million, sixty-five thousand, three hundred ninety-one".