513742104 has 48 divisors (see below), whose sum is σ = 1392861600. Its totient is φ = 171065664.

The previous prime is 513742093. The next prime is 513742111. The reversal of 513742104 is 401247315.

513742104 is a `hidden beast` number, since 513 + 7 + 42 + 104 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76182 + ... + 82650.

It is an arithmetic number, because the mean of its divisors is an integer number (29017950).

Almost surely, 2^513742104 is an apocalyptic number.

It is an amenable number.

513742104 is an abundant number, since it is smaller than the sum of its proper divisors (879119496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513742104 is a wasteful number, since it uses less digits than its factorization.

513742104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584 (or 7577 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 513742104 is about 22665.8797314377. The cubic root of 513742104 is about 800.9063186787.

Adding to 513742104 its reverse (401247315), we get a palindrome (914989419).

The spelling of 513742104 in words is "five hundred thirteen million, seven hundred forty-two thousand, one hundred four".