242000513 has 4 divisors (see below), whose sum is σ = 243229140. Its totient is φ = 240771888.

The previous prime is 242000501. The next prime is 242000537. The reversal of 242000513 is 315000242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 109474369 + 132526144 = 10463^2 + 11512^2 .

It is a cyclic number.

It is not a de Polignac number, because 242000513 - 2⁴ = 242000497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242000491 and 242000500.

It is not an unprimeable number, because it can be changed into a prime (242000543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614018 + ... + 614411.

It is an arithmetic number, because the mean of its divisors is an integer number (60807285).

Almost surely, 2^242000513 is an apocalyptic number.

It is an amenable number.

242000513 is a deficient number, since it is larger than the sum of its proper divisors (1228627).

242000513 is a wasteful number, since it uses less digits than its factorization.

242000513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228626.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 242000513 is about 15556.3656745398. The cubic root of 242000513 is about 623.1684087744.

Adding to 242000513 its reverse (315000242), we get a palindrome (557000755).

The spelling of 242000513 in words is "two hundred forty-two million, five hundred thirteen", and thus it is an aban number.