242054513 has 2 divisors, whose sum is σ = 242054514. Its totient is φ = 242054512.

The previous prime is 242054497. The next prime is 242054537. The reversal of 242054513 is 315450242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123832384 + 118222129 = 11128^2 + 10873^2 .

It is a cyclic number.

It is not a de Polignac number, because 242054513 - 2⁴ = 242054497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242054563) 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, 121027256 + 121027257.

It is an arithmetic number, because the mean of its divisors is an integer number (121027257).

Almost surely, 2^242054513 is an apocalyptic number.

It is an amenable number.

242054513 is a deficient number, since it is larger than the sum of its proper divisors (1).

242054513 is an equidigital number, since it uses as much as digits as its factorization.

242054513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 242054513 is about 15558.1012016248. The cubic root of 242054513 is about 623.2147565982.

The spelling of 242054513 in words is "two hundred forty-two million, fifty-four thousand, five hundred thirteen".