241678739 has 2 divisors, whose sum is σ = 241678740. Its totient is φ = 241678738.

The previous prime is 241678711. The next prime is 241678741. The reversal of 241678739 is 937876142.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 241678739 - 2⁸ = 241678483 is a prime.

It is a super-2 number, since 2×241678739² = 116817225769260242, which contains 22 as substring.

Together with 241678741, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 241678693 and 241678702.

It is not a weakly prime, because it can be changed into another prime (241678639) 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 as a sum of consecutive naturals, namely, 120839369 + 120839370.

It is an arithmetic number, because the mean of its divisors is an integer number (120839370).

Almost surely, 2^241678739 is an apocalyptic number.

241678739 is a deficient number, since it is larger than the sum of its proper divisors (1).

241678739 is an equidigital number, since it uses as much as digits as its factorization.

241678739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 241678739 is about 15546.0200372957. The cubic root of 241678739 is about 622.8920893460.

The spelling of 241678739 in words is "two hundred forty-one million, six hundred seventy-eight thousand, seven hundred thirty-nine".