513470 has 8 divisors (see below), whose sum is σ = 924264. Its totient is φ = 205384.

The previous prime is 513439. The next prime is 513473. The reversal of 513470 is 74315.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513473) 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, 25664 + ... + 25683.

It is an arithmetic number, because the mean of its divisors is an integer number (115533).

2⁵¹³⁴⁷⁰ is an apocalyptic number.

513470 is a deficient number, since it is larger than the sum of its proper divisors (410794).

513470 is a wasteful number, since it uses less digits than its factorization.

513470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51354.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 513470 is about 716.5682102912. The cubic root of 513470 is about 80.0764893439.

Adding to 513470 its reverse (74315), we get a palindrome (587785).

The spelling of 513470 in words is "five hundred thirteen thousand, four hundred seventy".