242453207 has 4 divisors (see below), whose sum is σ = 242715120. Its totient is φ = 242191296.

The previous prime is 242453179. The next prime is 242453231. The reversal of 242453207 is 702354242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702354242 = 2 ⋅351177121.

It is a cyclic number.

It is not a de Polignac number, because 242453207 - 2¹² = 242449111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242453207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242458207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129563 + ... + 131420.

It is an arithmetic number, because the mean of its divisors is an integer number (60678780).

Almost surely, 2^242453207 is an apocalyptic number.

242453207 is a deficient number, since it is larger than the sum of its proper divisors (261913).

242453207 is an equidigital number, since it uses as much as digits as its factorization.

242453207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261912.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 242453207 is about 15570.9089972294. The cubic root of 242453207 is about 623.5567397384.

The spelling of 242453207 in words is "two hundred forty-two million, four hundred fifty-three thousand, two hundred seven".