242054213 has 8 divisors (see below), whose sum is σ = 250656600. Its totient is φ = 233468928.

The previous prime is 242054209. The next prime is 242054237. The reversal of 242054213 is 312450242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 158404 + 241895809 = 398^2 + 15553^2 .

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 242054213 - 2² = 242054209 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 (242054513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29045 + ... + 36437.

It is an arithmetic number, because the mean of its divisors is an integer number (31332075).

Almost surely, 2^242054213 is an apocalyptic number.

It is an amenable number.

242054213 is a deficient number, since it is larger than the sum of its proper divisors (8602387).

242054213 is a wasteful number, since it uses less digits than its factorization.

242054213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8551.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 242054213 is about 15558.0915603425. The cubic root of 242054213 is about 623.2144991293.

The spelling of 242054213 in words is "two hundred forty-two million, fifty-four thousand, two hundred thirteen".