242515201 has 4 divisors (see below), whose sum is σ = 250338304. Its totient is φ = 234692100.

The previous prime is 242515187. The next prime is 242515213. The reversal of 242515201 is 102515242.

242515201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102515242 = 2 ⋅51257621.

It is a cyclic number.

It is not a de Polignac number, because 242515201 - 2¹⁹ = 241990913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242515261) 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, 3911505 + ... + 3911566.

It is an arithmetic number, because the mean of its divisors is an integer number (62584576).

Almost surely, 2^242515201 is an apocalyptic number.

It is an amenable number.

242515201 is a deficient number, since it is larger than the sum of its proper divisors (7823103).

242515201 is an equidigital number, since it uses as much as digits as its factorization.

242515201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823102.

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

The square root of 242515201 is about 15572.8995694443. The cubic root of 242515201 is about 623.6098819271.

The spelling of 242515201 in words is "two hundred forty-two million, five hundred fifteen thousand, two hundred one".