242585207 has 4 divisors (see below), whose sum is σ = 242616360. Its totient is φ = 242554056.

The previous prime is 242585191. The next prime is 242585237. The reversal of 242585207 is 702585242.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 702585242 = 2 ⋅351292621.

It is a cyclic number.

It is not a de Polignac number, because 242585207 - 2⁴ = 242585191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242585237) 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, 7544 + ... + 23282.

It is an arithmetic number, because the mean of its divisors is an integer number (60654090).

Almost surely, 2^242585207 is an apocalyptic number.

242585207 is a deficient number, since it is larger than the sum of its proper divisors (31153).

242585207 is a wasteful number, since it uses less digits than its factorization.

242585207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31152.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 242585207 is about 15575.1470940085. The cubic root of 242585207 is about 623.6698812360.

Adding to 242585207 its sum of digits (35), we get a palindrome (242585242).

The spelling of 242585207 in words is "two hundred forty-two million, five hundred eighty-five thousand, two hundred seven".