242984641 has 2 divisors, whose sum is σ = 242984642. Its totient is φ = 242984640.

The previous prime is 242984639. The next prime is 242984657. The reversal of 242984641 is 146489242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242892225 + 92416 = 15585^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 242984641 - 2¹ = 242984639 is a prime.

Together with 242984639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 242984594 and 242984603.

It is not a weakly prime, because it can be changed into another prime (242984681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121492320 + 121492321.

It is an arithmetic number, because the mean of its divisors is an integer number (121492321).

Almost surely, 2^242984641 is an apocalyptic number.

It is an amenable number.

242984641 is a deficient number, since it is larger than the sum of its proper divisors (1).

242984641 is an equidigital number, since it uses as much as digits as its factorization.

242984641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 242984641 is about 15587.9646201805. The cubic root of 242984641 is about 624.0119993104.

The spelling of 242984641 in words is "two hundred forty-two million, nine hundred eighty-four thousand, six hundred forty-one".