242309941 has 2 divisors, whose sum is σ = 242309942. Its totient is φ = 242309940.

The previous prime is 242309939. The next prime is 242309987. The reversal of 242309941 is 149903242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183710916 + 58599025 = 13554^2 + 7655^2 .

It is a cyclic number.

It is not a de Polignac number, because 242309941 - 2¹ = 242309939 is a prime.

Together with 242309939, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 242309897 and 242309906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242300941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121154970 + 121154971.

It is an arithmetic number, because the mean of its divisors is an integer number (121154971).

Almost surely, 2^242309941 is an apocalyptic number.

It is an amenable number.

242309941 is a deficient number, since it is larger than the sum of its proper divisors (1).

242309941 is an equidigital number, since it uses as much as digits as its factorization.

242309941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 242309941 is about 15566.3078795198. The cubic root of 242309941 is about 623.4338953035.

The spelling of 242309941 in words is "two hundred forty-two million, three hundred nine thousand, nine hundred forty-one".