242611973 has 2 divisors, whose sum is σ = 242611974. Its totient is φ = 242611972.

The previous prime is 242611961. The next prime is 242612009. The reversal of 242611973 is 379116242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240808324 + 1803649 = 15518^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 242611973 - 2¹² = 242607877 is a prime.

It is equal to p_13296842 and since 242611973 and 13296842 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242611903) 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, 121305986 + 121305987.

It is an arithmetic number, because the mean of its divisors is an integer number (121305987).

Almost surely, 2^242611973 is an apocalyptic number.

It is an amenable number.

242611973 is a deficient number, since it is larger than the sum of its proper divisors (1).

242611973 is an equidigital number, since it uses as much as digits as its factorization.

242611973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 242611973 is about 15576.0063238303. The cubic root of 242611973 is about 623.6928182407.

The spelling of 242611973 in words is "two hundred forty-two million, six hundred eleven thousand, nine hundred seventy-three".