478253 has 2 divisors, whose sum is σ = 478254. Its totient is φ = 478252.

The previous prime is 478243. The next prime is 478259. The reversal of 478253 is 352874.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315844 + 162409 = 562^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 478253 - 2⁶ = 478189 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁹ + 7³ + 2¹⁷ + 8 + 5⁷ + 3⁸ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239126 + 239127.

It is an arithmetic number, because the mean of its divisors is an integer number (239127).

2⁴⁷⁸²⁵³ is an apocalyptic number.

It is an amenable number.

478253 is a deficient number, since it is larger than the sum of its proper divisors (1).

478253 is an equidigital number, since it uses as much as digits as its factorization.

478253 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 478253 is about 691.5583850985. The cubic root of 478253 is about 78.2022474351.

The spelling of 478253 in words is "four hundred seventy-eight thousand, two hundred fifty-three".