247406113 has 2 divisors, whose sum is σ = 247406114. Its totient is φ = 247406112.

The previous prime is 247406111. The next prime is 247406141. The reversal of 247406113 is 311604742.

It is an a-pointer prime, because the next prime (247406141) can be obtained adding 247406113 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246113344 + 1292769 = 15688^2 + 1137^2 .

It is a cyclic number.

It is not a de Polignac number, because 247406113 - 2¹ = 247406111 is a prime.

It is a super-2 number, since 2×247406113² = 122419569499537538, which contains 22 as substring.

Together with 247406111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (247406111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123703056 + 123703057.

It is an arithmetic number, because the mean of its divisors is an integer number (123703057).

Almost surely, 2^247406113 is an apocalyptic number.

It is an amenable number.

247406113 is a deficient number, since it is larger than the sum of its proper divisors (1).

247406113 is an equidigital number, since it uses as much as digits as its factorization.

247406113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 247406113 is about 15729.1485147798. The cubic root of 247406113 is about 627.7742174881.

The spelling of 247406113 in words is "two hundred forty-seven million, four hundred six thousand, one hundred thirteen".