242530328501 has 2 divisors, whose sum is σ = 242530328502. Its totient is φ = 242530328500.

The previous prime is 242530328497. The next prime is 242530328503. The reversal of 242530328501 is 105823035242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161945880625 + 80584447876 = 402425^2 + 283874^2 .

It is a cyclic number.

It is not a de Polignac number, because 242530328501 - 2² = 242530328497 is a prime.

Together with 242530328503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242530328503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121265164250 + 121265164251.

It is an arithmetic number, because the mean of its divisors is an integer number (121265164251).

Almost surely, 2^242530328501 is an apocalyptic number.

It is an amenable number.

242530328501 is a deficient number, since it is larger than the sum of its proper divisors (1).

242530328501 is an equidigital number, since it uses as much as digits as its factorization.

242530328501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 242530328501 in words is "two hundred forty-two billion, five hundred thirty million, three hundred twenty-eight thousand, five hundred one".