242405005 has 16 divisors (see below), whose sum is σ = 296763264. Its totient is φ = 190039360.

The previous prime is 242404999. The next prime is 242405011. The reversal of 242405005 is 500504242.

It is an interprime number because it is at equal distance from previous prime (242404999) and next prime (242405011).

It is a de Polignac number, because none of the positive numbers 2^k-242405005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59442 + ... + 63388.

It is an arithmetic number, because the mean of its divisors is an integer number (18547704).

Almost surely, 2^242405005 is an apocalyptic number.

It is an amenable number.

242405005 is a deficient number, since it is larger than the sum of its proper divisors (54358259).

242405005 is a wasteful number, since it uses less digits than its factorization.

242405005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 242405005 is about 15569.3610980027. The cubic root of 242405005 is about 623.5154139992.

Adding to 242405005 its reverse (500504242), we get a palindrome (742909247).

The spelling of 242405005 in words is "two hundred forty-two million, four hundred five thousand, five".