242002513 has 2 divisors, whose sum is σ = 242002514. Its totient is φ = 242002512.

The previous prime is 242002511. The next prime is 242002543. The reversal of 242002513 is 315200242.

242002513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229128769 + 12873744 = 15137^2 + 3588^2 .

It is a cyclic number.

It is not a de Polignac number, because 242002513 - 2¹ = 242002511 is a prime.

Together with 242002511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (242002511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121001256 + 121001257.

It is an arithmetic number, because the mean of its divisors is an integer number (121001257).

Almost surely, 2^242002513 is an apocalyptic number.

It is an amenable number.

242002513 is a deficient number, since it is larger than the sum of its proper divisors (1).

242002513 is an equidigital number, since it uses as much as digits as its factorization.

242002513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 242002513 is about 15556.4299567735. The cubic root of 242002513 is about 623.1701254834.

Adding to 242002513 its reverse (315200242), we get a palindrome (557202755).

The spelling of 242002513 in words is "two hundred forty-two million, two thousand, five hundred thirteen".