242105293 has 2 divisors, whose sum is σ = 242105294. Its totient is φ = 242105292.

The previous prime is 242105267. The next prime is 242105329. The reversal of 242105293 is 392501242.

Together with next prime (242105329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210047049 + 32058244 = 14493^2 + 5662^2 .

It is a cyclic number.

It is not a de Polignac number, because 242105293 - 2⁹ = 242104781 is a prime.

It is a super-2 number, since 2×242105293² = 117229945797231698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242105233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121052646 + 121052647.

It is an arithmetic number, because the mean of its divisors is an integer number (121052647).

Almost surely, 2^242105293 is an apocalyptic number.

It is an amenable number.

242105293 is a deficient number, since it is larger than the sum of its proper divisors (1).

242105293 is an equidigital number, since it uses as much as digits as its factorization.

242105293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 242105293 is about 15559.7330632630. The cubic root of 242105293 is about 623.2583344300.

The spelling of 242105293 in words is "two hundred forty-two million, one hundred five thousand, two hundred ninety-three".