478053231 has 8 divisors (see below), whose sum is σ = 652227840. Its totient is φ = 311290392.

The previous prime is 478053227. The next prime is 478053271. The reversal of 478053231 is 132350874.

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

It is not a de Polignac number, because 478053231 - 2² = 478053227 is a prime.

It is a super-2 number, since 2×478053231² = 457069783339078722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478053192 and 478053201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478053211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1852791 + ... + 1853048.

It is an arithmetic number, because the mean of its divisors is an integer number (81528480).

Almost surely, 2^478053231 is an apocalyptic number.

478053231 is a deficient number, since it is larger than the sum of its proper divisors (174174609).

478053231 is a wasteful number, since it uses less digits than its factorization.

478053231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705885.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 478053231 is about 21864.4284398198. The cubic root of 478053231 is about 781.9135741074.

The spelling of 478053231 in words is "four hundred seventy-eight million, fifty-three thousand, two hundred thirty-one".