247148241 has 8 divisors (see below), whose sum is σ = 329614944. Its totient is φ = 164723520.

The previous prime is 247148221. The next prime is 247148263. The reversal of 247148241 is 142841742.

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

It is not a de Polignac number, because 247148241 - 2¹⁸ = 246886097 is a prime.

It is a super-2 number, since 2×247148241² = 122164506058788162, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (247148221) 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 7 ways as a sum of consecutive naturals, for example, 7801 + ... + 23561.

It is an arithmetic number, because the mean of its divisors is an integer number (41201868).

Almost surely, 2^247148241 is an apocalyptic number.

It is an amenable number.

247148241 is a deficient number, since it is larger than the sum of its proper divisors (82466703).

247148241 is a wasteful number, since it uses less digits than its factorization.

247148241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20991.

The product of its digits is 14336, while the sum is 33.

The square root of 247148241 is about 15720.9491125695. The cubic root of 247148241 is about 627.5560314617.

Adding to 247148241 its reverse (142841742), we get a palindrome (389989983).

The spelling of 247148241 in words is "two hundred forty-seven million, one hundred forty-eight thousand, two hundred forty-one".