513044242 has 8 divisors (see below), whose sum is σ = 776758896. Its totient is φ = 254124612.

The previous prime is 513044239. The next prime is 513044243. The reversal of 513044242 is 242440315.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (513044243) 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, 1198488 + ... + 1198915.

It is an arithmetic number, because the mean of its divisors is an integer number (97094862).

Almost surely, 2^513044242 is an apocalyptic number.

513044242 is a deficient number, since it is larger than the sum of its proper divisors (263714654).

513044242 is a wasteful number, since it uses less digits than its factorization.

513044242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397512.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 513044242 is about 22650.4799507648. The cubic root of 513044242 is about 800.5435067086.

Adding to 513044242 its reverse (242440315), we get a palindrome (755484557).

The spelling of 513044242 in words is "five hundred thirteen million, forty-four thousand, two hundred forty-two".