478523 has 2 divisors, whose sum is σ = 478524. Its totient is φ = 478522.

The previous prime is 478493. The next prime is 478531. The reversal of 478523 is 325874.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478523 - 2⁶ = 478459 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (478573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239261 + 239262.

It is an arithmetic number, because the mean of its divisors is an integer number (239262).

2⁴⁷⁸⁵²³ is an apocalyptic number.

478523 is a deficient number, since it is larger than the sum of its proper divisors (1).

478523 is an equidigital number, since it uses as much as digits as its factorization.

478523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 478523 is about 691.7535688379. The cubic root of 478523 is about 78.2169611498.

It can be divided in two parts, 478 and 523, that added together give a palindrome (1001).

The spelling of 478523 in words is "four hundred seventy-eight thousand, five hundred twenty-three".