513457734 has 8 divisors (see below), whose sum is σ = 1026915480. Its totient is φ = 171152576.

The previous prime is 513457717. The next prime is 513457757. The reversal of 513457734 is 437754315.

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

513457734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 513457692 and 513457701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42788139 + ... + 42788150.

It is an arithmetic number, because the mean of its divisors is an integer number (128364435).

Almost surely, 2^513457734 is an apocalyptic number.

513457734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

513457734 is a wasteful number, since it uses less digits than its factorization.

513457734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85576294.

The product of its digits is 176400, while the sum is 39.

The square root of 513457734 is about 22659.6057776829. The cubic root of 513457734 is about 800.7585170459.

The spelling of 513457734 in words is "five hundred thirteen million, four hundred fifty-seven thousand, seven hundred thirty-four".