242017403 has 4 divisors (see below), whose sum is σ = 249824448. Its totient is φ = 234210360.

The previous prime is 242017379. The next prime is 242017409. The reversal of 242017403 is 304710242.

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

It is a cyclic number.

It is not a de Polignac number, because 242017403 - 2¹² = 242013307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242017409) 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, 3903476 + ... + 3903537.

It is an arithmetic number, because the mean of its divisors is an integer number (62456112).

Almost surely, 2^242017403 is an apocalyptic number.

242017403 is a deficient number, since it is larger than the sum of its proper divisors (7807045).

242017403 is an equidigital number, since it uses as much as digits as its factorization.

242017403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7807044.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 242017403 is about 15556.9085296533. The cubic root of 242017403 is about 623.1829060846.

Adding to 242017403 its reverse (304710242), we get a palindrome (546727645).

The spelling of 242017403 in words is "two hundred forty-two million, seventeen thousand, four hundred three".