242502213 has 8 divisors (see below), whose sum is σ = 328816800. Its totient is φ = 158927888.

The previous prime is 242502199. The next prime is 242502233. The reversal of 242502213 is 312205242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242502213 - 2¹⁸ = 242240069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242502213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242502233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684858 + ... + 685211.

It is an arithmetic number, because the mean of its divisors is an integer number (41102100).

Almost surely, 2^242502213 is an apocalyptic number.

It is an amenable number.

242502213 is a deficient number, since it is larger than the sum of its proper divisors (86314587).

242502213 is a wasteful number, since it uses less digits than its factorization.

242502213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370131.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 242502213 is about 15572.4825573831. The cubic root of 242502213 is about 623.5987491683.

Adding to 242502213 its reverse (312205242), we get a palindrome (554707455).

The spelling of 242502213 in words is "two hundred forty-two million, five hundred two thousand, two hundred thirteen".