478013 has 4 divisors (see below), whose sum is σ = 480060. Its totient is φ = 475968.

The previous prime is 478001. The next prime is 478039. The reversal of 478013 is 310874.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120409 + 357604 = 347^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 478013 - 2¹⁰ = 476989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478063) 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, 620 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (120015).

2⁴⁷⁸⁰¹³ is an apocalyptic number.

It is an amenable number.

478013 is a deficient number, since it is larger than the sum of its proper divisors (2047).

478013 is a wasteful number, since it uses less digits than its factorization.

478013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 478013 is about 691.3848421827. The cubic root of 478013 is about 78.1891639278.

Adding to 478013 its reverse (310874), we get a palindrome (788887).

The spelling of 478013 in words is "four hundred seventy-eight thousand, thirteen".