242717250 has 32 divisors (see below), whose sum is σ = 605824128. Its totient is φ = 64724400.

The previous prime is 242717243. The next prime is 242717257. The reversal of 242717250 is 52717242.

242717250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242717243) and next prime (242717257).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242717257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161062 + ... + 162561.

It is an arithmetic number, because the mean of its divisors is an integer number (18932004).

Almost surely, 2^242717250 is an apocalyptic number.

242717250 is an abundant number, since it is smaller than the sum of its proper divisors (363106878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242717250 is a wasteful number, since it uses less digits than its factorization.

242717250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323643 (or 323633 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 242717250 is about 15579.3854179168. The cubic root of 242717250 is about 623.7830185345.

The spelling of 242717250 in words is "two hundred forty-two million, seven hundred seventeen thousand, two hundred fifty".