513242342 has 8 divisors (see below), whose sum is σ = 815149656. Its totient is φ = 241525792.

The previous prime is 513242329. The next prime is 513242351. The reversal of 513242342 is 243242315.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7547648 + ... + 7547715.

It is an arithmetic number, because the mean of its divisors is an integer number (101893707).

Almost surely, 2^513242342 is an apocalyptic number.

513242342 is a deficient number, since it is larger than the sum of its proper divisors (301907314).

513242342 is a wasteful number, since it uses less digits than its factorization.

513242342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15095382.

The product of its digits is 5760, while the sum is 26.

The square root of 513242342 is about 22654.8525044857. The cubic root of 513242342 is about 800.6465304822.

Adding to 513242342 its reverse (243242315), we get a palindrome (756484657).

It can be divided in two parts, 5132 and 42342, that added together give a palindrome (47474).

The spelling of 513242342 in words is "five hundred thirteen million, two hundred forty-two thousand, three hundred forty-two".