478451 has 2 divisors, whose sum is σ = 478452. Its totient is φ = 478450.

The previous prime is 478441. The next prime is 478453. The reversal of 478451 is 154874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478451 - 2¹⁴ = 462067 is a prime.

It is a Sophie Germain prime.

Together with 478453, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478451.

It is not a weakly prime, because it can be changed into another prime (478453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239225 + 239226.

It is an arithmetic number, because the mean of its divisors is an integer number (239226).

2⁴⁷⁸⁴⁵¹ is an apocalyptic number.

478451 is a deficient number, since it is larger than the sum of its proper divisors (1).

478451 is an equidigital number, since it uses as much as digits as its factorization.

478451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 29.

The square root of 478451 is about 691.7015252260. The cubic root of 478451 is about 78.2130380338.

It can be divided in two parts, 478 and 451, that added together give a palindrome (929).

The spelling of 478451 in words is "four hundred seventy-eight thousand, four hundred fifty-one".