242863953 has 4 divisors (see below), whose sum is σ = 323818608. Its totient is φ = 161909300.

The previous prime is 242863937. The next prime is 242863963. The reversal of 242863953 is 359368242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242863953 - 2⁴ = 242863937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242863903) 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, 40477323 + ... + 40477328.

It is an arithmetic number, because the mean of its divisors is an integer number (80954652).

Almost surely, 2^242863953 is an apocalyptic number.

It is an amenable number.

242863953 is a deficient number, since it is larger than the sum of its proper divisors (80954655).

242863953 is an equidigital number, since it uses as much as digits as its factorization.

242863953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80954654.

The product of its digits is 311040, while the sum is 42.

The square root of 242863953 is about 15584.0929476181. The cubic root of 242863953 is about 623.9086687295.

The spelling of 242863953 in words is "two hundred forty-two million, eight hundred sixty-three thousand, nine hundred fifty-three".