242316541 has 2 divisors, whose sum is σ = 242316542. Its totient is φ = 242316540.

The previous prime is 242316533. The next prime is 242316551. The reversal of 242316541 is 145613242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144504441 + 97812100 = 12021^2 + 9890^2 .

It is a cyclic number.

It is not a de Polignac number, because 242316541 - 2³ = 242316533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242316511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121158270 + 121158271.

It is an arithmetic number, because the mean of its divisors is an integer number (121158271).

Almost surely, 2^242316541 is an apocalyptic number.

It is an amenable number.

242316541 is a deficient number, since it is larger than the sum of its proper divisors (1).

242316541 is an equidigital number, since it uses as much as digits as its factorization.

242316541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 28.

The square root of 242316541 is about 15566.5198743971. The cubic root of 242316541 is about 623.4395555835.

Adding to 242316541 its reverse (145613242), we get a palindrome (387929783).

The spelling of 242316541 in words is "two hundred forty-two million, three hundred sixteen thousand, five hundred forty-one".