242633005 has 4 divisors (see below), whose sum is σ = 291159612. Its totient is φ = 194106400.

The previous prime is 242632969. The next prime is 242633009. The reversal of 242633005 is 500336242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190605636 + 52027369 = 13806^2 + 7213^2 .

It is not a de Polignac number, because 242633005 - 2¹¹ = 242630957 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 (242633009) 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, 24263296 + ... + 24263305.

It is an arithmetic number, because the mean of its divisors is an integer number (72789903).

Almost surely, 2^242633005 is an apocalyptic number.

It is an amenable number.

242633005 is a deficient number, since it is larger than the sum of its proper divisors (48526607).

242633005 is an equidigital number, since it uses as much as digits as its factorization.

242633005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48526606.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 242633005 is about 15576.6814501677. The cubic root of 242633005 is about 623.7108403360.

Adding to 242633005 its reverse (500336242), we get a palindrome (742969247).

The spelling of 242633005 in words is "two hundred forty-two million, six hundred thirty-three thousand, five".