247113041 has 4 divisors (see below), whose sum is σ = 282414912. Its totient is φ = 211811172.

The previous prime is 247113019. The next prime is 247113079. The reversal of 247113041 is 140311742.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247113041 is a prime.

It is a super-3 number, since 3×247113041³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 247112998 and 247113016.

It is not an unprimeable number, because it can be changed into a prime (247113341) 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, 17650925 + ... + 17650938.

It is an arithmetic number, because the mean of its divisors is an integer number (70603728).

Almost surely, 2^247113041 is an apocalyptic number.

It is an amenable number.

247113041 is a deficient number, since it is larger than the sum of its proper divisors (35301871).

247113041 is an equidigital number, since it uses as much as digits as its factorization.

247113041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35301870.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 247113041 is about 15719.8295474219. The cubic root of 247113041 is about 627.5262368992.

Adding to 247113041 its reverse (140311742), we get a palindrome (387424783).

The spelling of 247113041 in words is "two hundred forty-seven million, one hundred thirteen thousand, forty-one".