247246241 has 8 divisors (see below), whose sum is σ = 270259200. Its totient is φ = 224322640.

The previous prime is 247246201. The next prime is 247246243. The reversal of 247246241 is 142642742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 247246241 - 2⁶ = 247246177 is a prime.

It is a super-2 number, since 2×247246241² = 122261407377260162, 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 = 247246198 and 247246207.

It is not an unprimeable number, because it can be changed into a prime (247246243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16481 + ... + 27678.

It is an arithmetic number, because the mean of its divisors is an integer number (33782400).

Almost surely, 2^247246241 is an apocalyptic number.

It is an amenable number.

247246241 is a deficient number, since it is larger than the sum of its proper divisors (23012959).

247246241 is a wasteful number, since it uses less digits than its factorization.

247246241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44679.

The product of its digits is 21504, while the sum is 32.

The square root of 247246241 is about 15724.0656638161. The cubic root of 247246241 is about 627.6389673329.

Adding to 247246241 its reverse (142642742), we get a palindrome (389888983).

The spelling of 247246241 in words is "two hundred forty-seven million, two hundred forty-six thousand, two hundred forty-one".