242515002001 has 8 divisors (see below), whose sum is σ = 257142776040. Its totient is φ = 227927470848.

The previous prime is 242515001999. The next prime is 242515002013. The reversal of 242515002001 is 100200515242.

It can be written as a sum of positive squares in 4 ways, for example, as 85065555600 + 157449446401 = 291660^2 + 396799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242515002001 - 2¹ = 242515001999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242515002061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10048306 + ... + 10072411.

It is an arithmetic number, because the mean of its divisors is an integer number (32142847005).

Almost surely, 2^242515002001 is an apocalyptic number.

It is an amenable number.

242515002001 is a deficient number, since it is larger than the sum of its proper divisors (14627774039).

242515002001 is a wasteful number, since it uses less digits than its factorization.

242515002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121443.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 242515002001 its reverse (100200515242), we get a palindrome (342715517243).

The spelling of 242515002001 in words is "two hundred forty-two billion, five hundred fifteen million, two thousand, one".