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242566361 is a prime number
BaseRepresentation
bin11100111010101…
…00010011011001
3121220102122111022
432131110103121
5444044110421
640023012225
76003531362
oct1635242331
9556378438
10242566361
11114a16774
126929a075
133b33bcbb
1424302b69
15164667ab
hexe7544d9

242566361 has 2 divisors, whose sum is σ = 242566362. Its totient is φ = 242566360.

The previous prime is 242566343. The next prime is 242566367. The reversal of 242566361 is 163665242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181413961 + 61152400 = 13469^2 + 7820^2 .

It is a cyclic number.

It is not a de Polignac number, because 242566361 - 218 = 242304217 is a prime.

It is not a weakly prime, because it can be changed into another prime (242566367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121283180 + 121283181.

It is an arithmetic number, because the mean of its divisors is an integer number (121283181).

Almost surely, 2242566361 is an apocalyptic number.

It is an amenable number.

242566361 is a deficient number, since it is larger than the sum of its proper divisors (1).

242566361 is an equidigital number, since it uses as much as digits as its factorization.

242566361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 242566361 is about 15574.5420799457. The cubic root of 242566361 is about 623.6537302278.

It can be divided in two parts, 2425 and 66361, that added together give a palindrome (68786).

The spelling of 242566361 in words is "two hundred forty-two million, five hundred sixty-six thousand, three hundred sixty-one".