1705240241 has 4 divisors (see below), whose sum is σ = 1706271012. Its totient is φ = 1704209472.

The previous prime is 1705240237. The next prime is 1705240259. The reversal of 1705240241 is 1420425071.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1103568400 + 601671841 = 33220^2 + 24529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1705240241 - 2² = 1705240237 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 1705240241.

It is not an unprimeable number, because it can be changed into a prime (1705240541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512900 + ... + 516213.

It is an arithmetic number, because the mean of its divisors is an integer number (426567753).

Almost surely, 2^1705240241 is an apocalyptic number.

It is an amenable number.

1705240241 is a deficient number, since it is larger than the sum of its proper divisors (1030771).

1705240241 is a wasteful number, since it uses less digits than its factorization.

1705240241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030770.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 1705240241 is about 41294.5546168015. The cubic root of 1705240241 is about 1194.7082359312.

The spelling of 1705240241 in words is "one billion, seven hundred five million, two hundred forty thousand, two hundred forty-one".