513478 has 8 divisors (see below), whose sum is σ = 880272. Its totient is φ = 220056.

The previous prime is 513473. The next prime is 513479. The reversal of 513478 is 874315.

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

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, 18325 + ... + 18352.

It is an arithmetic number, because the mean of its divisors is an integer number (110034).

2⁵¹³⁴⁷⁸ is an apocalyptic number.

513478 is a deficient number, since it is larger than the sum of its proper divisors (366794).

513478 is a wasteful number, since it uses less digits than its factorization.

513478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36686.

The product of its digits is 3360, while the sum is 28.

The square root of 513478 is about 716.5737924317. The cubic root of 513478 is about 80.0769052128.

The spelling of 513478 in words is "five hundred thirteen thousand, four hundred seventy-eight".