247024147 has 2 divisors, whose sum is σ = 247024148. Its totient is φ = 247024146.

The previous prime is 247024081. The next prime is 247024153. The reversal of 247024147 is 741420742.

247024147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247024147 is a prime.

It is a super-2 number, since 2×247024147² = 122041858402155218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247024447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123512073 + 123512074.

It is an arithmetic number, because the mean of its divisors is an integer number (123512074).

Almost surely, 2^247024147 is an apocalyptic number.

247024147 is a deficient number, since it is larger than the sum of its proper divisors (1).

247024147 is an equidigital number, since it uses as much as digits as its factorization.

247024147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 247024147 is about 15717.0018451357. The cubic root of 247024147 is about 627.4509811817.

Adding to 247024147 its reverse (741420742), we get a palindrome (988444889).

The spelling of 247024147 in words is "two hundred forty-seven million, twenty-four thousand, one hundred forty-seven".