242317503 has 12 divisors (see below), whose sum is σ = 358551648. Its totient is φ = 157604640.

The previous prime is 242317499. The next prime is 242317511. The reversal of 242317503 is 305713242.

It is not a de Polignac number, because 242317503 - 2² = 242317499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242317553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327975 + ... + 328712.

It is an arithmetic number, because the mean of its divisors is an integer number (29879304).

Almost surely, 2^242317503 is an apocalyptic number.

242317503 is a deficient number, since it is larger than the sum of its proper divisors (116234145).

242317503 is a wasteful number, since it uses less digits than its factorization.

242317503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656734 (or 656731 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 242317503 is about 15566.5507740154. The cubic root of 242317503 is about 623.4403806036.

The spelling of 242317503 in words is "two hundred forty-two million, three hundred seventeen thousand, five hundred three".