513345674 has 8 divisors (see below), whose sum is σ = 770870208. Its totient is φ = 256388940.

The previous prime is 513345673. The next prime is 513345761. The reversal of 513345674 is 476543315.

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 (513345673) 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, 139682 + ... + 143309.

It is an arithmetic number, because the mean of its divisors is an integer number (96358776).

Almost surely, 2^513345674 is an apocalyptic number.

513345674 is a deficient number, since it is larger than the sum of its proper divisors (257524534).

513345674 is a wasteful number, since it uses less digits than its factorization.

513345674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283900.

The product of its digits is 151200, while the sum is 38.

The square root of 513345674 is about 22657.1329607256. The cubic root of 513345674 is about 800.7002587433.

Adding to 513345674 its reverse (476543315), we get a palindrome (989888989).

The spelling of 513345674 in words is "five hundred thirteen million, three hundred forty-five thousand, six hundred seventy-four".