242415207 has 16 divisors (see below), whose sum is σ = 359841280. Its totient is φ = 161291736.

The previous prime is 242415197. The next prime is 242415227. The reversal of 242415207 is 702514242.

242415207 is a `hidden beast` number, since 2 + 42 + 415 + 207 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-242415207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242415227) 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, 5538 + ... + 22704.

It is an arithmetic number, because the mean of its divisors is an integer number (22490080).

Almost surely, 2^242415207 is an apocalyptic number.

242415207 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

242415207 is a deficient number, since it is larger than the sum of its proper divisors (117426073).

242415207 is a wasteful number, since it uses less digits than its factorization.

242415207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17699 (or 17693 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 242415207 is about 15569.6887252122. The cubic root of 242415207 is about 623.5241610889.

Adding to 242415207 its reverse (702514242), we get a palindrome (944929449).

The spelling of 242415207 in words is "two hundred forty-two million, four hundred fifteen thousand, two hundred seven".