242502819 has 8 divisors (see below), whose sum is σ = 348209232. Its totient is φ = 149232480.

The previous prime is 242502809. The next prime is 242502857. The reversal of 242502819 is 918205242.

242502819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242502819 - 2⁷ = 242502691 is a prime.

It is a super-2 number, since 2×242502819² = 117615234445893522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242502819.

It is not an unprimeable number, because it can be changed into a prime (242502809) 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, 3108972 + ... + 3109049.

It is an arithmetic number, because the mean of its divisors is an integer number (43526154).

Almost surely, 2^242502819 is an apocalyptic number.

242502819 is a deficient number, since it is larger than the sum of its proper divisors (105706413).

242502819 is a wasteful number, since it uses less digits than its factorization.

242502819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218037.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 242502819 is about 15572.5020147695. The cubic root of 242502819 is about 623.5992686144.

The spelling of 242502819 in words is "two hundred forty-two million, five hundred two thousand, eight hundred nineteen".