247934327 has 2 divisors, whose sum is σ = 247934328. Its totient is φ = 247934326.

The previous prime is 247934321. The next prime is 247934329. The reversal of 247934327 is 723439742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 247934327 - 2⁶ = 247934263 is a prime.

It is a super-2 number, since 2×247934327² = 122942861009885858, which contains 22 as substring.

Together with 247934329, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247934321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123967163 + 123967164.

It is an arithmetic number, because the mean of its divisors is an integer number (123967164).

Almost surely, 2^247934327 is an apocalyptic number.

247934327 is a deficient number, since it is larger than the sum of its proper divisors (1).

247934327 is an equidigital number, since it uses as much as digits as its factorization.

247934327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 41.

The square root of 247934327 is about 15745.9304901298. The cubic root of 247934327 is about 628.2206675469.

The spelling of 247934327 in words is "two hundred forty-seven million, nine hundred thirty-four thousand, three hundred twenty-seven".