478151 has 4 divisors (see below), whose sum is σ = 491112. Its totient is φ = 465192.

The previous prime is 478139. The next prime is 478157. The reversal of 478151 is 151874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151874 = 2 ⋅75937.

It is a cyclic number.

It is not a de Polignac number, because 478151 - 2⁶ = 478087 is a prime.

It is an Ulam number.

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 478151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478157) 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, 6425 + ... + 6498.

It is an arithmetic number, because the mean of its divisors is an integer number (122778).

2⁴⁷⁸¹⁵¹ is an apocalyptic number.

478151 is a deficient number, since it is larger than the sum of its proper divisors (12961).

478151 is a wasteful number, since it uses less digits than its factorization.

478151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12960.

The product of its digits is 1120, while the sum is 26.

The square root of 478151 is about 691.4846346811. The cubic root of 478151 is about 78.1966874795.

The spelling of 478151 in words is "four hundred seventy-eight thousand, one hundred fifty-one".