242530328507 has 4 divisors (see below), whose sum is σ = 242531573760. Its totient is φ = 242529083256.

The previous prime is 242530328503. The next prime is 242530328633. The reversal of 242530328507 is 705823035242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242530328507 - 2² = 242530328503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242530328501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260132 + ... + 743457.

It is an arithmetic number, because the mean of its divisors is an integer number (60632893440).

Almost surely, 2^242530328507 is an apocalyptic number.

242530328507 is a deficient number, since it is larger than the sum of its proper divisors (1245253).

242530328507 is a wasteful number, since it uses less digits than its factorization.

242530328507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245252.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 242530328507 in words is "two hundred forty-two billion, five hundred thirty million, three hundred twenty-eight thousand, five hundred seven".